BikeService Chain Breaking And Riveting Master Kit Universal BS35101Comprehensive tool kit for drive chain replacement and repair Provides the ability to break, rivet and press drive chain master links Forged hardened alloy steel body with 3 position handle suitable for left and right handed use Supplied with press plates, punches and anvils Features knock spindle, a timing saving tool to flatten and shape pins Suits: Chain sizes: #415, 420, 428, 520, 525, #30 (50), 532, 630 and 632 Instruction manual included