Screw material: Steel Vise material: Aluminium alloy Size: 7.5*9cm/2.95"*3.54"(W*H)Maximum work clamp mouth: 3cm/1.18" Maximum fixed clamp mouth: 3.5cm/1.38"Features:1. Vice is durable， small size light weight， easy to carry.2. Suitable for jewelry， electronic products， such as， model making， household use.3. Mini Vice made from cast iron and equipped with steel spindle and tommy bar. 4. Ideal for model makers and small jobs.Package: 1* Vise