Overview:BGS Aluminium Rim Impact Sockets - 3 pcs - 12,5 (1/2") 17 / 19 / 21 mm - 7310, with plastic handle and insert to protect aluminium rims when mounting/dismounting the wheel. Each socket colour corresponds to a different size.Advantages:Special wheel mounting / dismountingColour code for easy identification of the socket to be usedHandle and plastic insert to protect aluminium rimsFor use with hand screwdriver and impact wrenchBall retainer and front holeFeatures:Thrust profile: hexagonDrive profile: hexagon socketSize: 17 - 19 - 21 mmInch: 1/2 "Number of sockets: 3Weight: 820 gPackaging:1 x BGS Aluminium Rim Impact Sockets - 3 pcs - 7310Delivered in original packaging