Koken 1 2" Dr Impact Thin Walled Wheel Nut Socket Set 3pc 3pc, 17 19mm Wheel Nut Sockets Spades 01mm graduations Inside Micrometer set 01mm graduations Inside Micrometer set Tubular Extension Rod style A wide range of inside measurements is possible by combining extension rods and anvils with the micrometer head 6 extension rods included 12mm 179B 12H XZN Bits M6 14145PM Impact Wheel Nut Sockets 17 14201M Impact Thin Walled Wheel Nut Socket Set 1 2"Dr 3pc (for Alloy Wheels)The 110mm length gives the socket extra reach for nuts recessed deep inside the wheel and ideal for aluminium wheel nuts where access to the nut is very tight The plastic insert helps prevent damage to the wheel nut