Aluminum Alloy Tripod Collar Compatible with Sigma 100-400mm F5-6.3 Lens

1 Applicable Lens: Lens collar tripod mount ring is suitable for Sigma 100-400mm f5-6.3 DG OS HSM Contemporary Lens (for EF Mount, for Nikon F Mount). 2 Quick Mount Plate: At the bottom of the lens ring is a 100mm quick mount plate with built in for Arca ports, 1/4 inch and 3/8 inch screw holes, compatible with tripod ball heads, panoramic ball heads, and clamps. 3 Lens Mount and Safety Stop Screws: The lens mount is installed on a tripod, which can help you fix and balance your lens. There are two safety stop screws on both sides of the bottom to prevent the device from accidentally falling off 4 Aluminum Alloy Material: The lens collar tripod mount ring is made of aluminum alloy material, CNC precise machining, manual polishing, surface anodizing treatment, and strong durability. 5 Hollow Design And Strap Hole: The lens collar tripod mount ring adopts a hollow design for light weight, with a built in strap hole for easy carrying.Item Type: Lens Tripod Mount Ring
Material: Aluminum Alloy
Weight: Approx. 228g / 8.0oz
Interface: 1/4 Inch Screw Hole, 3/8 Inch Screw Hole, for Arca Mount
Applicable Lens: for Sigma 100-400mm f5-6.3 DG OS HSM Contemporary Lens (for EF Mount, for Nikon F Mount) (Note: it can't be used for E Mount)

What's in the box
1 x Lens Tripod Mount Ring
1 x Wrench