Microclamp Taking after his father the Mafer Clamp with both strength and versatility, the Matthews MicroClamp is the newest addition to the MicroGrip family. The MicroClamp can grip to round or flat surfaces, as well as many other objects or shapes one may find on set. It's reduced size and dual 3/8" and ‚¼" mounting holes give it extreme flexibility. Its strength is derived from a precision aluminum extrusion, it's high performance stick pads and an aluminum locking kip handle. The MicroClamp is a must have in your bag of tools.