Drill Chuck AdapterBody in heavy steel. Material: steel and carbon, grips in steel and tungsten. REMARQUE: The product does not have to be used in the reverse sense of the needles of a watch. Rapid and easy to use the main for very rapid changes. Serration force increased, with SDS quickly changeable for electric hammer. Field of application: adapts the power of 1050 W above the percussion percussion. Mandarin sans cl for operation on sector, parseuses without file and parseuses-visseuses. Metal It has a locking function, just for serring the rotating adapter to avoid hammer blows and other strong vibrations when the work is desired. Surface of gain comfortable with a strong adhesion, easy grasping, increasing the output couple. The bute unique palier translates easily to the couple applying the poigne into a greater force of traction. Field of application: adapts the power of 1050 W above the percussion percussion. Specifications: Material: HSS Rod length: 46 mm Thread diameter: 43 mm Serration range: 2-13 mm Mount: 1/2-20 UNF Size: 122 x 42 mm Package includes: 1 x mandrel adapter.