Contents: Includes 35 dies, 70 taps (plug and taper styles covering sizes from M2 up to M18), two long-handle tap wrenches, two die handles, and a T-type tap wrench.Material: Usually constructed from alloy or high-carbon bearing steel with heat-treated, precision-ground teeth for durability.Application: Widely used in automotive repair, mechanical maintenance, and general workshop fabrication.If you'd like, I can provide:Tips on proper lubrication and tapping technique to avoid breaking tapsA detailed breakdown of the included thread size range