Features: For installing and removing of 4-notches freewheel from BMX and Single Speed. Made of quality hardened steel. It will not damage the freewheel. It is easy to use and requires no special skills or training. Our single-speed freewheel tool is small and lightweight, making it easy to take. Specifications: 45# Steel Weight: 140g Size: As picture shows Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Freewheel Removal Tool