Three-Piece Hand Tap Set, Tap Thread Size M10x1.5, High Speed Steel, Bright (Uncoated), Thread Standard Metric Coarse, Thread Length 31.75 mm, Overall Length 74.61 mm, 75 Percent Thread Drill Size 8.50 mm, Thread Limit D6, Class of Fit 6H, Thread Direction Right Hand, Number of Flutes 4