Professional headset wrench DR-16200-30 - 30 mm opening DR-16200-32 - 32 mm opening DR-16200-34 - 34 mm opening DR-16200-36 - 36 mm opening DR-16200-40 - 40 mm opening DR-16200-42 - 42 mm opening - to hold the upper headset cup - high-precision laser cut - 4mm thickness - eye-catching aluminum oval shaped handle only available in 30, 32, 34, 36, 40 and 42 mm - 35mm wrench is not laser cut and is available with a steel tube only - hardened alloy tool steel - chrome plated steel