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 ball joint part numbers: 20994563, 20739867, 70314325, 70321617 and equivalents. To help ease fitting of the socket, Laser recommend lifting the ball joint gaiter.