Socket tray holder Manufactured from chrome vanadium steel for strength and durability Highly polished stainless steel clips. Spring tension clips for added strength and to prevent the sockets form falling off so easy. DIMENSIONS OF THE RACK 42cm x 46cm 4 fixed rails suitable for 1/4" / 3/8" and 1/2" drive sockets SET WILL HOLD THE FOLLOWING 30 x 1/2" sockets 30 x 3/8" sockets 20 x 1/4" sockets Complete with storage handle for hanging up or easy transportation.