The Sealey AK3015 Metric Tap & Die Set provides all functions required for a professional engineer The Sealey AK3015 Metric Tap & Die Set has Taps supplied in three types for each size, taper (starting), second tap (intermediate) and plug (bottoming). They come in a sturdy metal box for storage. Features: Supplied in a metal case Taps supplied in three types Matched by equivalent sized dies M3 to M12 alloy steel tap and die set Provides all functions required for a professional engineer Set includes tap wrench, steel die handle, screw pitch gauge and screwdriver Comes with: Die Holder Screwdriver Tap Wrench Metric Thread Gauge Taps (Taper, Second, Plug) & Dies:  3 x 0.5, 4 x 0.7, 5 x 0.8, 6 x 1, 8 x 1.25, 10 x 1.5, 12 x 1.75mm Specifications: Weight: 1.38kg