Professional tool for commercial or occasional use -Brake bit sockets for Mercedes and BMW -Designed to fit BMW Brake Lining -3/8" drive so will fit any 3/8" drive ratchet / power bar / extensions -Manufactured from chrome vanadium steel for strength and durability -2 pc set -Hex bit ends for fitting the brake linings SET INCLUDES THE FOLLOWING - 1 x 3/8" Drive Bit H7 / 7mm - Total length 36mm - 1 x 3/8" Drive Bit H9 / 9mm - Total length 92mm SUITABLE FOR THE FOLLOWING VEHICLES - MERCEDES BENZ / BMW / VW / AUDI / FORD and MAZDA