An assortment of 10 of the most popular sizes of metric taps (HS ground thread) and the corresponding HS tap drills. Set supplied with stand. Includes 1 of each: (Tap Sizes: 3.00mm x 0.5, 3.50mm x 0.6, 4.00mm x 0.7, 4.50mm x 0.75, 5.00mm x 0.8, 6.00mm x 1, 7.00mm x 1, 8.00mm x 1.25, 10.00mm x 1.5, 12.00mm x 1.75), (Drill Sizes: 2.50mm [#40], 2.87mm [#33], 3.28mm [#30], 3.73mm [#26], 4.22mm [#19], 4.98mm [#9], 5.95mm [15/64"], 6.75mm [17/64"], 6.43mm [Q], 10.28mm [Y]).