Opening span = 0 - 6mm.
For materials which need a “bite” to secure a good grip (e.g. soft metals - aluminium, copper, soft steel, paper and board).
Supplied as 0.5 set = 2 jaws (left & right).
Order any combination of 2 half sets of jaws to fit into a pair of suitable Mec227 Lightweight Vice grips (upper & lower).