V-cut profile steel rotors for optimum weight-to-performance ratio. Increased surface area over previous designs increases power while cutouts and drillings help keep pads clean. Mud Cutter: stainless steel construction with mud clearing waves and heat dissipating holes. Rotors includes: (1) 6-bolt/44mmBCD rotor, (1) Torx wrench, and (6) T-25 rotor mounting bolts with thread retaining compound. 205g @ 203mm.