Desmond brand Arca compatible DAC-42 42mm Clamp w removable bubble level. 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-Swiss, Kirk Enterprises, Markins, etc. 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. Use included Metric 6 flat head screw to mount onto a ballhead. Length: 42mm. Width: 53mm. Width inc level and handle: 95mm. Height: 15mm. Weight: 88g. 3/8" Standard thread will fit on any standard tripod or head. 1/4" Stainless steel bushing adapter (included) converts it to 1/4" thread. All metal construction. Includes 1/4" bushing adapter, 6mm screw and allen Wrench.