Inspired by the fleeting moment a bubble expands and bursts, the DZ TOPB EDC slider embodies the delicate balance between tension and release. The front face features 28 bubble-like raised bumps, enhancing grip while reducing the likelihood of dirt buildup — combining tactile function with clean aesthetics. The back showcases a full-surface logo design, adding a touch of brand identity and visual depth. Crafted with a smooth, contoured surface that fits naturally in the palm, this piece offers a comfortable grip. Slide it for instant stress relief, or simply hold it in your hand and enjoy the massage-like texture on your fingertips. The polished groove edges ensure a silky touch and seamless form, while discreet side laser-etched branding keeps the look refined and minimal. Compact and portable, the DZ TOPB is designed to fit easily into your EDC lineup — whether on your desk, in your pocket, or by your side on the go. Specifications: Brand: DZ.Material:Stainless Steel,Brass,Zirconium.Weight:Stainless Steel:54.1g;Brass:57.2g;Zirconium:45.5g;Size:45*20*11.8 mm Package Contents: TOPB Bubble Body ×1(includes: 4 segment springs, 4 segment balls, 1 limit block, 1 track plate, 2 long screws, 2 short screws) Disassembly Tool:T8 screwdriver ×1 Bonus Accessories:Extra springs × several Extra balls × several Disassembly Instructions: Slide open the TOP coin to reveal the short screws on the top and bottom sides. Use the included screwdriver to unscrew them. Then, use the same tool to remove the longer screw securing the limit block. ⚠️ Please be cautious during disassembly, as the guide balls may fall out. After disassembly, you can adjust the pushing resistance of the TOP coin by changing the number of balls and springs. Note: The number of balls and springs should be no more than four and no fewer than two. * Measurement parameters are for reference only.