Park Tool 791 Reamer/Pilot Set for PF30 Hardened Steel Bicycle Bike Tool

Professional level Tap and Facing Tools made from precision hardened cutting steel for retapping or facing bicycle frames. Used to ream and face PF30 bottom bracket shells to an ID of 45.92 - 45.93mm. Must be used with the HTR\-1 Head Tube Reamer and Facer, 750.2 Centering Cone and the 690-XL Facer..