Product DescriptionThe Park Tool 768 Pilot is a 43.8mm centering pilot designed for use when a head tube is being faced but not reamed. It works with the Park Tool HTR-1 Head Tube Reaming and Facing Set and 690-XL Facing Cutter to properly center the tool during machining. This pilot is sized for head tubes using the 1-1/8" internal cup headset standard and is intended for professional frame prep and headset service applications. Key Features 43.8mm pilot for head tube facing applications Centers the tool when the head tube is being faced without reaming Designed for use with the Park Tool HTR-1 Head Tube Reaming and Facing Set Used with the 690-XL Facing Cutter Sized for 1-1/8" internal cup headset standards Requires Park Tool 750.2 Centering Cone Adapter Specifications Brand: Park Tool Model: 768 Tool Type: Pilot Size: 43.8mm O.D. Use: Head tube facing alignment / centering Headset Standard: 1-1/8" internal cup SHIS Compatibility: ZS44, EC44 CompatibilityCompatible with: Park Tool HTR-1 Head Tube Reaming and Facing Set Park Tool 690-XL Facing Cutter Park Tool 750.2 Centering Cone Adapter Frames using 1-1/8" internal cup headsets SHIS: ZS44 and EC44 head tubes Included Park Tool 768 Pilot only Warranty and Notes Used when facing a head tube without reaming Always use cutting fluid such as Park Tool CF-2 when machining Includes only what is shown or described Condition New Genuine OEM product Includes only what is shown or described