... . The Mega-Clamp is created from high tensile, aircraft grade, extruded aluminum, so it’s both stronger and ... piece solid aluminum clamp body, micro grooves to grip the pipe securely, and the spring loaded pan adjustment ... The solid one piece clamp body is designed to grip pipe with it’s micro grooves, and will not ... 273 kgHardware 1/2″ × 1″ long hex head Grade 5 zinc bolt1/2″ × 3″ long square head ...