Features: Our bottom bracket tapping tool features a left or right designs for easy separation and improved efficiency. Make of stainless steels materials, strong and wear-resistant, maintaining tool integrity and functionality in a variety of environment. Easy to Use: For the best practice while tapping with our bikes bottom bracket tapping tool, apply cutting oil to eliminate any resistant, maintain alignment, and reduce drag. Our bottom bracket tapping tool boasts a solid weight designs to offer better stability and control. Our bottom bracket tapping tool ensure accurate and efficient result with make high precisions tap size for various bottom bracket standard. Specifications: Materials: Stainless Steels Size: As Shown in the Picture Package Includes: 1set Bicycles Bottom Bracket Thread Tapping Tool note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.