The Revic FH1 Fluid Head is extremely compact and lightweight, combining beautiful design and ergonomic functionality. The aircraft-grade CNC machined and hard anodized aluminum components offer excellent smoothness, stability and durability. The compact size and ease of operation make it ideally suited for field work where size, weight and durability are key. Fluid heads are uniquely suited for heavy use with optics, whether you're spotting impacts at the range or spending days on end behind a spotting scope or binoculars, glassing up bedded bucks, the smoothness and fluidity of a fluid head give you an added edge when finding and observing game or targets is the goal. 1/2"x20 accessory mount, 3/8"x16 thread mount fits most standard tripods