Product Description – TOP-H Slim Appearance Thanks to its innovative structural design, the TOP-H is only 6.6mm thick, offering a compact, elegant form that’s easy to carry anywhere. Hidden Track Design The hidden track ensures the mechanism remains concealed after being pushed open, creating a sleek and refined appearance. Self-Locking Structure Featuring a Hitch self-locking mechanism, the TOP-H eliminates the need for magnets or screws while maintaining secure fixation and smooth operation. Jumping Track The separated track delivers a bouncing tactile sensation, and the number of collision beads can be adjusted for customizable DIY feedback, allowing you to tailor the feel and play experience to your preference. Specifications: Size: 55 (L) x 20 (W) x 6.6 (H) mm Weight: Stainless Steel: 45.0g, Brass:47.2g