The whole is forged with spring steel, which is strong and nice for durability, which features is strength and offers good corrosion resistance in bad environment like high temperature, and high humidity areas. Our wrench is suitable for most motorcycles, lawn mowers and small motor vehicles. It is also suitable for removing and installing 16 mm and 21 mm . Features -Color: Assorted. -Material: Spring Steel. -Size: About 20.00X8.00X3.00cm/7.86X3.14X1.18in. -Model: 16mm (5/8")/21mm (13/16") Lengthen. - Lightweight, small size and easy storage, show its greatest flexibility in the smallest space. - Comfortable grip, strong and durable, portable and long-lasting, extend serving life. - Beautiful and effective anti-rust, joint, rotatable to meet different work requirements. - The wrench kit is ergonomic design and provides maximum torque for fastening or . - The flexible head allows access to confined areas, and helps you to install and remove easily. Package list: 1 x wrench 2 x sockets