24 Piece Tap & Drill Sets - Taps (Taper, Second and Bottom) • Industrial Quality • Ground flute • Blue finish • Supplied in indexing metal cases • Manufactured to BS328: Part 1: 1986, DIN 338N & ANSI B94 -11M • BSW Tap & Drill Taps 3/16" - 1/2" + Tapping Drills 3.7 - 10.5 The image is for illustration purposes only.