Opening span = 0 - 4mm.
For fragile samples, which may get weakened by pinching at the contact-edge of the grip. (e.g. thin films, filaments, fibres and thin aluminium)
Supplied as 0.5 set = 2 jaws (left & right). Order any combination of 2 half sets of jaws to fit into a pair of any Mec227 Lightweight Vice Grips (upper & lower)