<h3>About this item</h3><ul> <li>Reinforced Breaker &amp; Spare Pin – Engineered with heat-treated steel to prevent bending. Includes a spare driving pin and a "third hand" chain hook, making rivet removal steady, precise, and frustration-free</li> <li>Video Guide &amp; Manual – Stop guessing. Includes a printed manual and QR code for a step-by-step video. Master the usage instantly and avoid common errors, ensuring a smooth repair even for beginners</li> <li>2-in-1 Master Link Pliers – Features dual-function jaws to open and close links. Ergonomic, anti-slip rubber handles provide the leverage needed to snap stubborn links into place or remove them effortlessly</li> <li>Precise Wear Checker – Prevent expensive gear damage. Our laser-cut tool provides accurate readings at 0.75% and 1.0% wear. Made from hardened steel, it resists bending and fits smoothly into chain gaps</li> <li>Universal Compatibility – Fits 7, 8, 9, 10, 11, and single-speed chains, compatible with major systems like Shimano, SRAM, KMC, etc. Compact for saddle bags. Includes 3 pairs of missing links (6-10S) so you are always ready for repairs on Road, MTB, BMX, or Fixie bikes</li> </ul>