Professional tool for commercial or occasional use 3/8" drive extension bar set 3/8" drive so will fit any 3/8" drive ratchets / power bars Manufactured from chrome vanadium steel for strength and durability Satin finish for rust and corrosion resistance Extra-long extension bars Extra-long so perfect for access into restricted hard to reach areas Knurled rings for added grip when using in oily slippy conditions A little ball on the end of the extension bar which prevents the socket form falling off when using SET INCLUDES THE FOLLOWING - 1 x extension bar - total length 15" / 380mm - 1 x extension bar - total length 18" / 455mm - 1 x extension bar - total length 24" / 610mm