This part replaces obsolete part #: 323489-00 578387-00 871690 583890-00 NA076561 579212-00. It fits for D25262K (Type 1) 1in D- Rotary Hammer D25263K (Type 1) 1-1/8 D-Hand Rotary Hammer. It compatible with for D25124K-AR (Type 10) Sds-Plus Hammer W/Quick C Power Tool D25124K-AR(Type 1)Sds- Plus Hammer W/ Quick C Power Tool D25124K-B2 (Type 10) 26mm Sdsplus Hammer With Power Tool D25124K-B3 (Type 10) 26mm Sdsplus Hammer With Power Tool D25124K-BR (Type 10) 26mm Sdsplus Hammer With Power Tool. Please note: the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:As Shown Material:plastic+metal Package Contents: 1 * NA076561 Collet Repair Kits Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.