1、INCLUDED TOOLS: Including universal socket, ratchet wrench and bit holder, suitable for vehicle repair, home furniture maintenance or installation. 2、APPLICABLE RANGE: With adjustable rod, the range is 7‑19mm (1/4‑3/4in), which is used with a wrench and is applicable to any static maintenance. 3、EXTENSION ROD: The extension rod allows you to operate the screw or nut in a narrow and deep space, greatly improving the operation accuracy. 4、HIGH CARBON STEEL: The tool is made of high carbon steel, has high strength, wear resistance, can withstand a tensile force of up to 68kg, sturdy and durable. 5、STANDARD SIZE: These tools are of standard size, convenient for installation and operation, not easy to fall off and slip, convenient and practical. Item Type: Universal Socket Kit Including Tools: Socket, Bit Holder, Wrench Material: High Carbon Steel Range: 7-19mm (1/4-3/4in) Socket: Approx. 54 x 26mm / 2.1 x 1in Bit Holder: Approx. 50mm / 2in Wrench: Approx. 182 x 95mm / 7.2 x 3.7in 1 x Socket 1 x Bit Holder 1 x Wrench