Tricer RG Shooting Rest Black. With a quick rotation of the collet the RG rotates on fluid bearings with another turn it locks. Machined with Arca Swiss 1/4-20 and 3/8-16 threads this rest will work on any tripod platform. Specifications for Tricer RG Shooting Rest: Manufacturer: Tricer Color: Black Attachment Type: Arca Swiss Weight: 3.7 oz Package Contents: Tricer RG Shooting Rest Tricer RG-RGFORK-1: RG Shooting Rest Black