Big Gator Tools MTG500NP Vertical Thread Drilling Tap M 16 9 Holes Guide, 1.6 - mm,

The universal, portable V-Tap Guide vertically aligns ground taps on flat, round, and angular materials. 9 guide holes cover 13 metric ground screw tap sizes: 1.6mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm. Heat-treated nickel alloy steel provides durability and precision. Precision ground base ensures vertical alignment of taps on flat materials. V-Groove provides tap alignment for materials with rounded or sharp corners.