VIVO Clamp and 12 inch Rail Set for DIY Custom Wooden Keyboard Trays (Tray Not Included), Under Desk Pull Out Slider Track with Extra Sturdy C-clamp Mount System, White, MOUNT-RAIL02W

I needed a custom sized tray to make space for both a mouse, full keyboard, and little temporary space to jot notes, place smartphone, or any other temporary items that I need to take care of. Since I already had a stand-up keyboard stand made of solid wood that I wanted to re-use the top, I decided to purchase just the rails and get rid of the stand legs.This set of rails is smooth and sturdy, clicks when both pushed fully in and fully out. Since these are just rails, you can place them anywhere in almost any distance apart to fit custom sized trays. I put my 3/4" thick solid wood top that I re-purposed from the stand (it's slightly under 3 ft wide and 9" deep) and the rail can slide it without wobbling or shaking.The metal the rails and clamps are made of are solid and sturdy. The screws fit well and hold well. There are 3 holes and 3 screws for each rail but you only need 2 (choose the two that balance out the tray so it doesn't put too much pressure), I only used 2 wood screws per rail since my wood tray was only 9" deep and was placed slightly outward, and that still held well. Overall the assembly was easy, you just need a drill and a screwdriver for well-finished install.Perfect for custom sized keyboard trays.

It works great, easy to install and not coming out.

Decided to redesign my home office and purchased some shelves and a table top from Ikea to replace old computer desk. Unfortunately the hight of my new desk was a little too much so started looking for clamp on keyboard trays. unfortunatly almost all of the trays for sale were too long and would fit until I discovered the tray rails without the board.Directions and assembly were straight forward. Once I cut my board to my desired length, assembly took less than 15 mins with keyboard tray. As a word of caution... if you have a thick table top (mine is 1 -1/2") and use an average shelf board for your tray (mine was 5/8" thick)... you will have to flip the rails upside down when you mount them to the clamps. Otherwise the tray board will hang too close to the underside of your table top. Hoping that this product comes back in stock soon as I want purchase another key board rail kit for my other Ikea desk.Advantages:Sturdy product- no slipping of the clamp so far.Easy assembly with simple house hold tools ( screw driver/ drill)Custom fit as you decide what size tray will work for you.Clamps come with fitted rubber pads to on both sides of the clamp to prevent dents/ scratches.Disadvantages:Clamps are little bulky and unsightly both on top and from the bottom. The top of the clamp sits about 3/16" on top of your workspace. So if you cut your board to short you could have an annoying 2 lumps in your work space. Ref to picture. This is the reason why I gave the product 4 stars.There is always someone out there who wants to sizes and materials... so i'll share that for those who are interested.Desk:2x Ikeas Kallex shelfs units (30 3/8" x 30 3/8" x 15 1/2")1x Ikea Linnmon Table top (59" x 29 1/2" x 1 1/2")Dahle self healing cutting mat 24" x 36"Tray boardUsed an old particle board shelf that was cut to 21-1/2" x 11-1/2" x 5/8"

I like being able to decide on length of my tray, so tried out these brackets. Assembly was a bit of a struggle because the glides were labeled wrong with the left and right stickers. Once we figured that out, it was easy. The assembly video was helpful, written instructions could be much better. Also, the weight limit is 11 pds. so finding a light-weight board for the tray was a bit of a search. The larger clamps support the tray well. It does not move and is very steady. It does not glide smooth but works. Hoping use improves the slide. It stays in place when using, does not slide back in or off. My last tray went back totally under the desk when closed; this one sticks out a bit but I can live with that. It pulls out with enough space to type and use a mouse without worrying about hitting the desk with my hands. One star taken off because it sticks out a bit and has a not so smooth but useable glide.

This was a life saver for me in my studio. It’s durable and economical. However thought about designing this, I say thank you.

Easy to install; good quality

The VIVO Clamp and 12-inch Rail Set (MOUNT-RAIL02W) was exactly what I needed for my custom under-desk keyboard tray. I wanted something that could fit my mouse pad with a wireless charger, but I couldn’t find any pre-made options that would work. This rail set allowed me to create a custom tray that fits perfectly. The extra sturdy C-clamp mount system ensures that the tray stays securely in place, and the sliding mechanism is smooth and reliable. If you’re looking to create a personalized under-desk setup, I highly recommend this rail set.

I used this along with a particle board/laminated type shelf to make an under the desk slide out keyboard/piano/midi controller holder. I had to put the screw brackets that screw into the board upside down to get more clearance but it works perfectly holding an Akai 49 key midi controller keyboard