Alpha Reduced Shank Metric Drill Set 8 Piece Sizes included:14, 15, 16, 16.5, 18, 20, 22, 25mm These will suit 10mm or 1/2 inch drill chucksAlpha Reduced Shank Metric Drill 8 PieceSKU: RSM8$429.00PriceExcluding GSTQuantityAdd to Cart