This is a pair of Park Tool #530-2 Stepped Bushings For HHP-2. These are the same adapters included with HHP-2, also available separately. Sold as a pair. The adapters are stepped at 25.7mm, 29.7, and 32.8mm. Features: For replacement or retrofit to older bearing press tools Adapts older HHPs to fit headcups for 1" and 1- 1/8" Multi-step adapters fit most press fit cup applications Replacement stepped bushings for HHP-2 Ensures proper headset cup alignment