Check the listing for details. 6 Pack Combination Drill and Tap Set, Professional HSS Titanium Thread Tap Drill. Color: Yellow, Condition: New. Listed at 6.91 USD. Application It is widely compatible with various common materials such as copper, brass, aluminum, thin metal plates, and plastics. It is suitable for processing soft metals (such as aluminum alloys, zinc alloys, and tin alloys) with a thickness of less than 5mm, as well as thin wooden boards and plastics. Specifications Color: Yellow Material: High-speed Steel 4341 Style: Modern Number of Pieces: 6 Specifications: American Standard 6-32NC(3.5mm/0.14in), 8-32NC(4.2mm/0.17in), 10-32NC(5mm/0.2in), 10-24NC(5mm/0.2in), 12-24NC(5.7mm/0.22in), 1/4-20NC(6.35mm/0.25in) Usage: 3 in 1(Hole Drilling, Tapping, Deburring) Drill Tap Length: 54mm/2.13in(6-32NC), 54mm/2.13in(8-32NC), 55mm/2.17in(10-32NC), 56mm/2.2in(1/4-20NC), 56mm/2.2in(12-24NC), 56mm/2.2in(10-24NC).