Tap Wrench Holder is made of High Speed Steel, Taps are made of Bearing Steel ensures durability and tool longevity. Suitable for general metal, aluminum processing Package Includes- 1x Adjustable T-Handle Tap Wrench Set, 1x M6x 1 Tap, 1x M7x 1 Tap, 1x M8x1.25 Tap, 1x M10x1.5 Tap, 1x M12x1.75 Tap