USAGE: The movable square head in the middle of the spanner can be used with sleeves of various sizes. MATERIAL: Made of quality metal, high strength and good wear resistance, durable to use. BENEFIT: Compact size, high torsion force, high work efficiency and simple operation. USING: Slide bar socket wrench can be flexibly applied for variety sizes of screws. DESIGN: T-type handle with ergonomic design that make it easy to operate, comfortable to hold. Main Material: Metal+Plastic. Size: Approx.1/2 245mm. Color: Silver. Note: 1.1 Inch=2.45cm/1cm0.393inch 2.Please allow 1-3 cm error due to manual measurement. Pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package Including 1Pc Sliding Wrench