Product DescriptionThe Park Tool 692 Left Hand English Tap is a professional replacement bottom bracket tap designed for use with the Park Tool BTS-1 Bottom Bracket Tapping Set. It is sized for 1.370" x 24 TPI left-hand threading, the standard used for English threaded bottom bracket shells. This tap is used on the drive side / right side of the bike and is built from precision hardened cutting steel for accurate thread restoration and frame prep in professional shop use. Key Features Professional replacement bottom bracket tap Designed for the Park Tool BTS-1 Bottom Bracket Tapping Set 1.370" x 24 TPI left-hand thread Used on the drive side / right side of the bike Sized for English threaded bottom bracket shells Made from precision hardened cutting steel Ideal for thread chasing, restoration, and frame prep Compatible with Park handle sets only Specifications Brand: Park Tool Model: 692 Product Type: Bottom bracket tap Thread Size: 1.370" x 24 TPI Thread Direction: Left-hand Bottom Bracket Standard: English / BSA / BSC / BC / ISO / British / Euro Intended Use: Tapping English threaded bottom bracket shells Side of Bike: Drive side / right side Material: Precision hardened cutting steel Compatibility Compatible with Park Tool BTS-1 Bottom Bracket Tapping Set Compatible with Park handle sets only Sized for English threaded bottom bracket shells Also referred to as BSA, BSC, BC, ISO, British, or Euro Condition New Genuine OEM product Includes only what is shown or described