---
product_id: 14783292
title: "Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack)"
brand: "prime-line"
price: "€ 15.06"
currency: EUR
in_stock: true
reviews_count: 11
category: "Prime Line"
url: https://www.desertcart.gr/products/14783292-prime-line-h-3966-spline-socket-crank-handle-stone-smooth
store_origin: GR
region: Greece
---

# 360° smooth rotation 3/8 inch spindle fit Diecast zinc durability Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack)

**Brand:** prime-line
**Price:** € 15.06
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your window game with smooth style and lasting strength!

## Quick Answers

- **What is this?** Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack) by prime-line
- **How much does it cost?** € 15.06 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/14783292-prime-line-h-3966-spline-socket-crank-handle-stone-smooth)

## Best For

- prime-line enthusiasts

## Why This Product

- Trusted prime-line brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Timeless Stone Finish:** Subtle, neutral tone that blends perfectly with classic and modern window styles.
- • **Seamless 360° Operation:** Effortlessly open and close windows with fluid, full-circle motion.
- • **Rugged Diecast Zinc Build:** Stone-finished, corrosion-resistant handle built to last through years of use.
- • **Quick Slip-On Installation:** No hassle setup with just a Phillips screwdriver and secure set screw.
- • **Precision Fit for 3/8" Spindles:** Compatible with most older Andersen casement operators for easy replacement.

## Overview

The Prime-Line H 3966 Casement Window Crank Handle offers a durable diecast zinc construction with a sleek stone finish, engineered for smooth 360-degree operation. Designed to fit 3/8 inch spindles, it’s an ideal replacement for most older Andersen casement windows. Easy to install with a Phillips screwdriver, this handle combines longevity and effortless functionality, making it a trusted choice for home repair and upgrade projects.

## Description

Product Description The H 3966 Casement Window Crank Handle from Prime-Line has a smooth 360 degree operation that allows you to easily open and close windows as needed. It features durable, diecast construction with a stone finish, as well as easy installation. A Phillips head screwdriver is required for the easy slip-on installation. The 3/8 inch bore is held firmly in place with the supplied set screw. The Prime-Line Casement Crank Handle can be used on 3/8 inch spindles, including on most older Anderson casement operators. Please check your measurements before ordering. We specialize in repair and replacement hardware products for your home. Prime-Line’s commitment to quality results in repairs which look as good as the initial install, making us the go-to solution for our loyal customers. From the Manufacturer This is a stone diecast crank handle that fits most older Andersen casement operators. The 3/8 in. bore fits most older Andersen spindles and is held firmly in place with the supplied set screw.

## Features

- CASEMENT CRANK HANDLE – The H 3966 Casement Window Crank Handle from Prime-Line features 3/8 inch bore and a 3-1/8 inch reach. It has a smooth 360 degree operation that allows you to easily open and close windows as needed.
- DIECAST CONSTRUCTION – This window crank features a durable diecast construction with a stone finish.
- INSTALLATION – A Phillips head screwdriver will be required for the easy slip-on installation. The 3/8 inch bore is held firmly in place with the supplied set screw.
- COMPATIBILITY – This Prime-Line Casement Crank Window Handle can be use on 3/8 inch spindles only, (fits most older Anderson casement operators).
- Prime-Line GRADE – We specialize in repair and replacement hardware products for your home. Prime-Line’s commitment to quality results in repairs which look as good as the initial install, making us the go-to solution for our loyal customers.
- NOTE - Please refer to the line art for dimensions and compare with your needs before ordering

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000KKTFGK |
| Additional Features | Durable, Easy to Install |
| Best Sellers Rank | #16,826 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #18 in Window Locks & Latches |
| Brand | PRIME-LINE |
| Brand Name | PRIME-LINE |
| Color | Stone |
| Customer Package Type | Standard Packaging |
| Customer Reviews | 4.4 out of 5 stars 3,292 Reviews |
| Exterior Finish | Stone |
| Finish Types | Stone |
| Global Trade Identification Number | 00049793039668 |
| Hand Orientation | Right |
| Handle Attachment Mechanism | screw |
| Handle Compatibility | Model Specific, Size Specific |
| Handle Material | Zinc |
| Handle Type | Swivel |
| Included Components | 1 crank handle |
| Is Weight Bearing | No |
| Item Dimensions L x W | 3.12"L x 0.62"W |
| Item Type Name | Crank Handle |
| Item Weight | 0.1 Pounds |
| Manufacturer | Prime-Line Products |
| Manufacturer Part Number | H 3966 |
| Manufacturer Warranty Description | 1 year limited |
| Material | Zinc |
| Material Type | Zinc |
| Model Number | H 3966 |
| Number of Items | 1 |
| Product Dimensions | 3.12"L x 0.62"W |
| Projection Distance | 3.13 Inches |
| Shape | Round |
| Specific Uses For Product | Window |
| Style | Set Screw |
| Style Name | Set Screw |
| UPC | 049793039668 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** PRIME-LINE
- **Color:** Stone
- **Material:** Zinc
- **Product Dimensions:** 3.12"L x 0.62"W
- **Style:** Set Screw

## Images

![Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack) - Image 1](https://m.media-amazon.com/images/I/511HY-Wro2L.jpg)
![Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack) - Image 2](https://m.media-amazon.com/images/I/61r0aVlLKmL.jpg)
![Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack) - Image 3](https://m.media-amazon.com/images/I/61u6RvDX4EL.jpg)
![Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack) - Image 4](https://m.media-amazon.com/images/I/81uriYDp3cL.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by K***G on October 1, 2024*



### ⭐⭐⭐⭐⭐ Review
*by E***I on July 16, 2025*



### ⭐⭐⭐⭐ Review
*by A***Y on July 25, 2024*



## Frequently Bought Together

- Prime-Line H 3966 Spline Socket Crank Handle, Stone, Smooth 360-Degree Operation (Single Pack)
- Andersen Split Arm Operator (Right Hand) in Stone Color (1982-1995)
- Andersen Split Arm Operator (Left Hand) in Stone Color (1982-1995) - 1361316

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**Shop now:** [https://www.desertcart.gr/products/14783292-prime-line-h-3966-spline-socket-crank-handle-stone-smooth](https://www.desertcart.gr/products/14783292-prime-line-h-3966-spline-socket-crank-handle-stone-smooth)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-05-07*