Features: The wrench is made of all-aluminum alloy CNC, which is ultra-light, portable and universal. 4 in 1: The wrench has 4 sizes of 39mm(1.54'')/40.5mm(1.59'')/44mm(1.73'')/46mm(1.for 81''), suitable for most Bike Bottom Bracket. It's long enough to give you enough leverage to mount the cup. The precisely shaped metal teeth of the wrench won'for t damage the teeth on your BB cups. You can use the wrench to remove and install BB91/BB109/BB30SH/PF30SH/BB86-30/BB30-30 smoothly. Specifications: Material: Aluminum Alloy Color: Red/Blue/Orange/Black Size: Approx. 210x57mm/8.27x2.24inch Package Includes: 1x Bike Bottom Bracket Wrench note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.