Description: Brand new and high quality. Suitable for standard square tapered crank sets. Extended ejector for removing chain-rings and crank. Easy to install and use. Universal bike crank puller. It is good for any home bike mechanic. A necessary tool for outdoor biking. Specification: Material: Carbon Steel Length: 7.8cm/3.1inch Diameter: 1.4cm/0.56 Package Includes: 1 Piece Crank Puller Tool