MODEL NUMBER - Drive Socket Kit - 891. & STRONG - The kit is manufactured from top rate materials and assessments had been played for lengthy lasting use. You need not worry about changing it frequently, saving your time and the upkeep cost. COMPATIBLITY - socket couples the motor to the blade assembly and protects the motor if the blade assembly is blocked from rotating. This substitute pressure socket equipment is rarely to be used with the XL. EASY TO INSTALL - It will take you about 10 minutes to exchange the hot drive socket kit. DIY installation, full of accomplishment. size:Approximately four in diameter Material:plastic colour:black Package Contents: 1 x Drive Socket 1 x Hex wrench Only the above package content, diverse merchandise aren't included. Note: Light and assorted exhibits could cause the colour of the object in the photo a little varied from the genuine thing. The measurement allowed error is +/- 1-3cm.