Micro-Clamp - PolishedThe Micro Clamp is ideal for hanging miniature fixtures like MR-16's onto a small pipe or tube. Made from high tensile aircraft aluminum. Solid design grips pipe with micro grooves, has spring loaded pan adjustment, and has 5/16 fasteners. Available in black anodized, or polished aluminum finishes. Fits From 5/8 OD tube, up to 1 Pipe (1.315 OD) Safe Vertical Working Load 125 lb 55kg Weight 3.2 oz