This 40 piece set includes 36 different sizes of dapping punch, a cube shaped dapping block with large sizes, a flat dapping block with small and medium sizes, a flat forming block with U-shaped grooves, and a swage block with U-shaped, V-shaped, and flat wire grooves. The wood base plate has slots for each piece, and is etched with millimeter sizes and numbers for the dapping punches. Punch sizes in millimeters: 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.5, 13, 13.5, 14, 14.7, 15.4, 16.2, 17, 17.8, 18.6, 19.4, 20.2, 21, 21.8, 22.6, 23.4, 24.2, 25 Dapping cube: 2.5 inches Impression sizes from 5 mm to 45 mm Flat dapping block: 5 x 2.5 x 1 inches Impression sizes in millimeters: 26, 25, 23.5, 22.75, 21.7, 20.25, 19.35, 18.6, 17.6, 16.5, 15.6, 15, 13.4, 12.8, 12, 10.5, 9.5, 8.5, 7.65, 6.6, 5.3, 4.52, 4.25, 3.5, 3.25, 2.7 Swage block: 2.5 x 2.5 x 2 inches Flat groove block: 8 x 1.5 x .75 inches Groove sizes on flat groove block in millimeters: 5, 7.25, 8.5, 10.3, 11.4, 13.2, 15, 16.65, 18.5, 19.5