A 6 point, castellated socket designed to fit the ball joints used on Volvo B9, B11 and B12 bus and coach chassis. 3/4""D, ID 100mm. Impact gun safe. 6 teeth: 9.7mm long x 5mm thick, 115mm deep. Applications include: Volvo B9, B11 & B12 chassis including B12 bus & coach chassis. For use on Volvo OEM ball joint part numbers: 20994563, 20739867, 70314325, 70321617 & equivalents. To help ease fitting of the socket, Laser recommend lifting the ball joint gaiter. Manufactured from S45C steel with a black phosphate finish.