SUNWAYFOTO brand Arca compatible MAC-14 60mm Clamp. Very versatile Jaw opening range of 37.25mm to 41.5mm will accommodate any Arca style plate from various makers including: Really right stuff (RRS), Wimberley, Arca, Kirk Enterprises, Markins, etc. Plus the Manfrotto / Bogen slot lets you mount Bogen 3517N / Manfrotto 200PL-14 RC2 plates. 3/8"mounting hole and 1/4" adapter. Can be used on virtually any head, tripod or monopod. Or remove your existing clamp and replace it using the 6mm hex screw provided. Will fit many brands of ball heads including Arca, RRS etc. Use included Metric 6 flat head screw to mount onto a ballhead. Length: 60mm Width (inc handle & level): 99mm Height: 21mm Weight: 124g 3/8" Standard thread will fit on any standard tripod or head 1/4" steel bushing adapter (included) converts it to 1/4" thread. All metal construction Includes removable bubble level, Safety grooves, 6mm screw, allen wrench & 1/4" to 3/8" bushing adapter.