Stanley STA418226 Six Piece Pin Punch Set - 1.5, 3, 4, 5, 6, and 8mm 4-18-226 Power Tool Centre Proudly Offers Genuine Stanley STA418226 Six Piece Pin Punch Set - 1.5, 3, 4, 5, 6, and 8mm 4-18-226 Quality chrome vanadium steel increased strength and durability for retained accuracy when marking out centre lines , hole locations and pilot drill starting points. Quenched and tempered to precise specifications. A 6-piece pin punch set made from quality chrome vanadium steel gives increased strength and durability, for retained accuracy when marking out centre lines, hole locations and pilot drill starting point Quenched and tempered to precise specifications Metric + Imperial Sizes Contains the following sizes: 1.5, 3, 4, 5, 6, and 8mm (1/16, 1/8, 5/32, 3/16, 1/4, 5/16in) We are.