The Gunson Lockwire Drill Jig enables nuts or bolts to be drilled quickly and easily to variable angles for a range of lockwiring requirements.The Jig takes drill bits up to 2mm. Drill bit not included but are available to purchase separately.Jig has facility for a range of bolt thread sizing:Metric Jig6mmx 1.0mm8mm x 1.0mm8mm x 1.25mm10mm x 1.0mm10mm x 1.5mm12mm x 1.0mm12mm x 1.5mmImperial Jig1/4"-20 UNC5/16"-18 UNC3/8"-16 UNC7/16"-14 UNC5/16"-24 UNF3/8"-24 UNF
