Name: ER40UM hardened wrench Applicable to ER40UM nuts, made of alloy steel, weighing only 500g, structure, easy to carry with you. As a special type of adapter wrench, this product has extremely high precision and ergonomic design, making you feel comfortable when using it. The high-quality material makes it very stable, wear- and , and not easy to damage. The hardened handle does not affect its normal use, but increases the service life of the wrench. Colour:silver Material:alloy steel Package Contents: 1 * ER40UM 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.