Tobefore Bike Disc Brake Rotor Alignment Truing Tools Features: Stainless steel laser cutting, brushed and polished surface, shiny injection-molded grip, three-opening design, laser marking. The three-opening design corresponds to different usage requirements. The laser marks the opening depth, so there is no need to worry about abrasion, and the recognition degree is high (15mm/18mm/42mm). It is made of stainless steel, and there is a rubber pad at the handle to prevent hand injury during work. Three adjustment ports with different depths: 15mm / 18mm / 42mm. Strengthen the thickness: prevent deformation during work and prolong the service time. Place of Application: Suitable for common bicycle brake discs. Specification: Product Weight : 143 G / 5.04 Ounces Product Dimensions (L*W*H) : 189*30*7 MM / 7.36*1.18*0.28 Inches Package Include: 1 x Disc Brake Rotor Wrench