Bike Bicycle Hex Head Crank Arm Bolts M8x15mm Waterproof Sealing Screw

Specification: *material: metal *Color: (As Pictures Show) *Size: Approx. 21*21*23mm Thread: M8 (As Pictures Show) *Weight: about 14g The package includes: 2x Screws Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.