Features: Upgraded aviation grade aluminum alloy ensures lightweight durability, 30% lighter than plastic with 2x enhancing strength for heavy duty tasks. 5 adjustable positions offer up to 60mm clamping width, paired with anti slip grips for 40% enhancing holding power without tool. Perfect for woodworkers, DIYer enthusiasts, photographers needing quick equipment adjustments in dynamic environment. Secures workpieces in woodworking, outdoor repairs, or studio setups where easy stability matters most. Corrosion resistant aluminum construction withstands repeated adjustments while maintaining portability for workshops or mobile projects. Specifications: Component: Aluminum alloy Size: Fixtures 10x3x2.8cm Auxiliary ruler 10.2x1.78x5.5cm Quantity:3pcs/6pcs/12pcs Color: gray, red Applicable scenarios: home installation, factory processing Package Includes: 1 Set Aluminum G Clamp note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.