This is a 20 Pcs Tap & Die Set Steel Assorted Set Screw Extractor Tap Die Adjustable Tap Wrench Specifications: Please NameTap Die Set Tap and Die SizeM3 x 0. 5; M4 x 0. 7; M5 x 0. 8; M6 x 1. 0; M7 x 1. 0; M8 x 1. 25; M9 x 1. 25; M10 x 1. 5; M12 x 1. 75 Die Stock Size19. 5 x 3. 6 x 1. 2cm/ 7. 7" x 1. 4" x 0. 5" (L*Max. W*T) Tap Wrench Szie19. 5 x 2. 2 x 1cm/7. 7" x 0. 9" x 0. 4" (L*W*H) Tap Wrench Range (Approx)3mm-12mm/3/25"-1/2" Case Size23. 7 x 10. 5 x 2cm/9. 3" x 4. 1" x 0. 8" (L*W*H) Main MaterialSteel ColorGray Net Weight648g Package Content 9 x Dies 9 x Taps 1 x Tap Wrench 1 x Die Stock 1 x Holder Case: 20 pcs assorted taps and dies set including 9 taps, 9 dies, 1 die stock and 1 tap wrench. Precision milled taps and dies for cutting raw material or repair existing threads, remove screws and more function. Adjustable tap wrench is convenient to fit different size taps use. Made from durable steel material, long lifespan for use.