Includes (2) A24215SV collet new, bulk packed. Genuine OEM Part The correct part number and installation can be found in the user manual. Compatible with: DeWALT: DWP611 Type 1 Premiun Compact Router, DWP611PK Type 1 Premium Compact Router Combo Kit Porter Cable: 450 (Type 1) 1.25 HP Compact Router, 450PK Type 1 Compact Router combo kit combo kit