Usage Tips:characteristic: Universal socket wrench can easily handle high torque, firmly and properly grasp any nut and bolt within its continuously adjustable size range. Made of CR-V, it has high hardness, high torsion and durability, and can easily clamp and remove damaged, round and rusty nuts and bolts. It can be used in automobile industry, home maintenance, manufacturing, construction and other industries. Durable, retractable to the shape of most objects. This universal socket can be specially self-adjusted, suitable for any size or shape. describe Name: Universal Sleeve Material: CR-V colour: Silver Package Contents: 1 x Universal sleeve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.