Features: Fit for most motorcycle brake calipers, brake clutch masters. Not easy to glide: motorcycle hollow screws have good performance, threads are clean and do not glide easily. Each component is precision-machined to exact tolerances for trouble-free performance. Long lasting durability. Just rotate fitting to properly install in place. Please allow 1-2mm differences due to manual measurement. Specification: Color: Silver Tone, Purple Copper Tone Material: Metal Washer Inner Diameter: 14mm / 0.55"(D) Washer Outer Diameter: 19.7mm / 0.78"(D) Screw Size: 43x21mm / 1.69"x0.83"(L*W) Thread Size: M14x1.5 Package Includes: 2 Pcs Motorcycle Hollow Bolt Screw 4 Pcs Washers