---
product_id: 687751510
title: "Weight Stack Pin and Spring Collar Weight Stack Extender Pin Commercial and Home Gym Accessories for Cable Tower and Functional Trainer Machine"
brand: "fnktek"
price: "€ 57.23"
currency: EUR
in_stock: true
reviews_count: 11
category: "Fnktek"
url: https://www.desertcart.gr/products/687751510-weight-stack-pin-and-spring-collar-weight-stack-extender-pin
store_origin: GR
region: Greece
---

# 200mm extended pin length Solid steel durability Supports +130 lbs extra weight Weight Stack Pin and Spring Collar Weight Stack Extender Pin Commercial and Home Gym Accessories for Cable Tower and Functional Trainer Machine

**Brand:** fnktek
**Price:** € 57.23
**Availability:** ✅ In Stock

## Summary

> 🏋️‍♀️ Unlock Your Machine’s Full Potential with Every Rep!

## Quick Answers

- **What is this?** Weight Stack Pin and Spring Collar Weight Stack Extender Pin Commercial and Home Gym Accessories for Cable Tower and Functional Trainer Machine by fnktek
- **How much does it cost?** € 57.23 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/687751510-weight-stack-pin-and-spring-collar-weight-stack-extender-pin)

## Best For

- fnktek enthusiasts

## Why This Product

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

## Key Features

- • **Easy Upgrade:** Add significant weight without buying a new machine—simply insert the pin and clip on the spring collar.
- • **Built to Last:** Crafted from solid steel to resist bending and ensure long-term reliability under intense workouts.
- • **Precision Fit:** Available in 8mm and 10mm diameters to perfectly match your machine’s cable stack for safe, stable use.
- • **Maximize Your Gains:** Extend your weight stack capacity with a 200mm pin for heavier lifts and bigger results.
- • **Versatile Compatibility:** Designed for both home and commercial gyms, compatible with Olympic 2-inch plates and cable towers.

## Overview

The FNKTEK Weight Stack Pin and Spring Collar is a premium steel accessory designed to extend your cable tower or functional trainer’s weight capacity by up to 130 lbs. Available in 150mm and 200mm lengths and multiple diameters, it fits most commercial and home gym machines, allowing you to safely add more resistance without upgrading equipment. Engineered for durability and precision, this pin ensures a secure, stable workout experience while maximizing your training potential.

## Description

In addition to the 150MM length, our pin-loaded bar now offers a new 200MM length option. This extended bar allows for increased weight capacity, providing more possibilities for your workouts.

Review: Add weight to your stack - Bought to add weight to my cable stack. Works good.
Review: It works - This is an excellent product that met my expectations.

## Features

- More size options: In addition to the 150MM length, our pin-loaded bar now offers a new 200MM length option. This extended bar allows for increased weight capacity, providing more possibilities for your workouts.
- Product Use: Weight stacking pins are suitable for home and professional fitness equipment. Simply insert it into the weight stacker and gradually add weight to the sleeve as needed for your workout. Enhance your workout and easily achieve your fitness goals.
- Package Content: Package includes a weight stacking pin and a spring ring. The weight stacking pin sleeve is long enough and designed to fit a 2 inch Olympic weight plate to add extra weight. If your machine can no longer expand the weight on its own, it's much better to use our weight stacking pin than to buy a new machine.
- Premium Quality Materials:Weight stacking pins are made of sturdy solid steel for safety, reliability, resistance to bending and long life. Up to 130 pounds of extra weight can be added to the equipment to ensure that your muscles are constantly being challenged in new ways!
- Buying Guide: Our weight stacking pins are available in 5/16 inch (8 mm) and 3/8 inch (10 mm) diameter pins. Please note that the 8mm pins are for fitness equipment with a 10mm diameter and the 10mm pins are for fitness equipment with a 12mm diameter. Before purchasing, please measure the cable stacking pin diameter to select the appropriate size for your fitness equipment.
- Reliable Gym Accessory: This pin extender fits snugly into the weight rack of your gym machine, ensuring a safe and stable weightlifting workout. One thing to keep in mind is the distance from the hole of the insert to the floor is appropriate to put the weight plates on.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D3WRTLRB |
| Best Sellers Rank | #66,375 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #479 in Exercise Machine Attachments |
| Brand Name | FNKTEK |
| Color | Hanger rod length: 150 mm |
| Customer Reviews | 4.1 4.1 out of 5 stars (65) |
| Date First Available | May 11, 2024 |
| Included Components | 1X Spring Clip Collar, 1X weight stack pin |
| Item Dimensions LxWxH | 4.7 x 3 x 10 inches |
| Item Package Dimensions L x W x H | 11.34 x 5.04 x 3.7 inches |
| Manufacturer | FNKTEK |
| Material | Steel |
| Model Name | chaxiaogan-xfuti |
| Package Weight | 0.8 Kilograms |
| Part Number | chaxiaogan-10-80 |
| Size | Ø 10 mm,Length 80mm |
| Suggested Users | unisex-adult |

## Images

![Weight Stack Pin and Spring Collar Weight Stack Extender Pin Commercial and Home Gym Accessories for Cable Tower and Functional Trainer Machine - Image 1](https://m.media-amazon.com/images/I/61MJmMzB-ZL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Add weight to your stack
*by J***N on November 2, 2025*

Bought to add weight to my cable stack. Works good.

### ⭐⭐⭐⭐⭐ It works
*by J***N on November 1, 2025*

This is an excellent product that met my expectations.

### ⭐⭐⭐⭐⭐ Finally found a fit...FNTEK works well
*by A***R on December 27, 2025*

Good design fits well. I had to return other products multiple times for not fitting the plates-being too big. The FNTEK works well, bought another. Highly recommend.

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**Shop now:** [https://www.desertcart.gr/products/687751510-weight-stack-pin-and-spring-collar-weight-stack-extender-pin](https://www.desertcart.gr/products/687751510-weight-stack-pin-and-spring-collar-weight-stack-extender-pin)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-02-26*