This part replaces obsolete part numbers: 323489-00, 578387-00, 871690, 583890-00, NA076561, 579212-00. It fits D25262K (Type 1) 1in D-Handle Rotary Hammer and D25263K (Type 1) 1-1/8in D-Handle Rotary Hammer. Compatible with D25124K-AR (Type 10) SDS-Plus Hammer with Quick C Power Tool, D25124K-AR (Type 1) SDS-Plus Hammer with Quick C Power Tool, D25124K-B2 (Type 10) 26mm SDS-Plus Hammer with Power Tool, D25124K-B3 (Type 10) 26mm SDS-Plus Hammer with Power Tool, and D25124K-BR (Type 10) 26mm SDS-Plus Hammer with Power Tool. Note: Slight color variation due to lighting or screen display differences may occur and does not affect product use. Color: As shown Material: Plastic + Metal Package Contents: 1 x NA076561 Collet Repair Kit Package includes only the items listed above; other items are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.