GROZ 37 PIEACE METRIC TAP & DIE SET (M6-M20) Bar Type Tap Wrench 2 mm – 6.3 mm Bar Type Tap Wrench 4.9 mm – 12 mm Die Holders for Round Dies of dia. 1in Die Holders for Round Dies of dia. 1-1/2in Die Holders for Round Dies of dia. 2in 8 Round Dies: 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 8 Metric Taps: 6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm Supplied in Wooden carry case.