Universal Chain Tool 1 to 12 Speed, Reliable and Hardwearing Breaker for Chain Link Break and Removal, Shop Quality Bike Repair for Road and Mountain Bikes, Easy Splitter RELIABLE & BUILT TO LAST - 1 to 12 Speed Compatible (including 7,8 , 9, 10, 11, 12). Superior quality cast steel body, CNC machined aluminium handle & Cr-Mo push thread bolt deliver High Performance time after time. EASY TO BREAK & RE-CHAIN - Oversized lever for long leverage & top quality Cr-Mo push thread bolt. SMOOTH & POWERFUL PUSHING ACTION to successfully push even the most stubborn chain link pins. COMFORTABLE TO USE - Ergonomic handle for comfort & ease of use. PRO QUALITY - Were so confident about the quality of our products that if you have any product issues, were very happy to either provide a Refund or a Replacement