Features: Structural optimization and upgrading, with bottom screws tightened and double-sided fastening screws to make the installation base more secure and less prone to detachment. Quality aluminum alloy material, CNCprocessing, anodizing, high hardness, good corrosion resistances, and less prone to scratches. Hollow out design, beautiful and generous, reduces product weight, is more lightweight, and reduces arm pressure. The visual effect is more exquisite and the touches is more delicate. Applicable for Hero10 11 etc full series, for 360 X3/GitUp action cameras. Specifications: Material: Aluminum Alloy Color: Black, Red(optional) Size: Approx. 101.5x46.5x5.2mm/3.99x1.83x0.20inch Process: CNCmachining, has high hardness and good corrosion resistances Package Includes: 1x 20mm Slide Rail Mount 2x Screws 1x Wrench note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.