Description: -Quick release design and industry standard construction for fast installation and removal of tool -Simple easy to use and effective for headsets and fit BB without any problem - tool works very well for in bottom brackets and head cup installations - Ball Bearing Design makes it more stable while using and would not hurt your bike -Comes with wrench for convenient operation Specification: Material: Stainless Steel, Aluminium Alloy Length: 26.5cm/ 10.4 inch Handle Length: 19.5cm/ 7.67 inch Package Includes: 1 Set of Bike 1 Piece Wrench