Applicable to mechanical keyboards, the space bar is 6.25u long, the distance from the satellite to the center is 5cm. It can be used if it meets the requirements Enhance your typing experience with our -e Gradient Keycap Set, meticulously crafted from PBT material to long-lasting performance and aesthetic appeal. Each keycap features a side carving design that adds a touch to your mechanical keyboard The semi-transparent design not only adds a style but also allows the backlight of your keyboard to shine through, enhancing visibility in low-light conditions This set is versatile, compatible with keyboard sizes including 60, 84, 98, and 108 keys, making it a perfect upgrade for any mechanical keyboard enthusiast Note:This only has keycaps, only keycaps are issued!!! Keycap Name:-e gradient Compatibility: for 61/64/68/78/84/87/96/98/104/108 key mechanical keyboard (The product appearance and printed words depending on the batch, but this does not affect use) Colour:Black Material:PBT Package Contents: 1set x Keycap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.