1.Strong carbon steel, with high hardness, very sturdy and durable to use 2.1/4 inch type wrench is suitable for lot of machine bits, can be used to drive many different types of screws. 3.Anti-slip and L-shaped handle grip, very practical for horizontal and vertical usage. 4.A great handy tool at home, garage, workshop for metal, wood workers, builders, technician, etc Product Description Color: Silver & Black Material: Carbon Steel Size:10.9CM x 3.6CM Package Contents: 5 x Wrench 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.