1、SUPERIOR QUALITY: The C pin spanner is made of excellent CRV, which is strong, durable, hard, rustproof, wear resistant, dirty resistant, and not easy to deform 2、PROFESSIONAL TOOL: Ideal for tightening and removing round nuts with hole, bearings and collars on shock absorbers, water meters, machinery and equipment. Exceed the Standard GGG‑W‑665B 3、ADJUSTABLE OPENING SIZE: The opening size of each hook wrench is adjustable within the range of 1 1/4 to 3in(32‑76mm), very flexible, practical, and convenient 4、ERGONOMIC DESIGN: Each wrench has a one piece handle that is very comfortable to use, lightweight and easy to carry, so you won't feel tired after using for a long time 5、WIDE APPLICATION: C pin spanner is suitable for home improvement repair, auto repair, plumbing repair, appliance repair, machine tool, mechanic repair and more