Park Tool Head Tube Reaming/Facing Set. Features: Designed for reaming and/or facing head tubes for headset or head bearing installation Heavy-Duty nickel-plated steel guide/handle Precision, high speed tool steel reaming/facing cutters Unique quick release/adjust spring-loaded cone guide Includes: 33.8mm-(1-1/8") reamer, #690 facing cutter, and (4) facing pilots (29.8mm,30.0mm,33.8mm,36.8mm) 30.0mm-(1") reamer, XL facing cutter, 41.0mm-(Integrated), 49.5mm-(OnePointFive) reamer/facer sets, 43.8mm pilot, and XL centering-cone adapter sold separately (1-1/4" reamer no longer available) Specs: Description:head tube reaming/facing set, HTR-1B