7 inch Aluminum Alloy Speed Square Triangle

Features:
1. Cast aluminum made, integral forming process, strong and durable
2. Stamping scale, durable and wear resistant
3. Light and convenient and durable
Use: multi-functional engineering supplies

Specifications:
Material: cast aluminium
Product size: about 18x18x2cm/7.09x7.09x0.79''
Product weight: 130g