8 Piece Set Of Nylon Punches In Popular Sizes For Bending And Shaping Of Metal This Set Of Nylon Punches Is Lightweight-only 5.5 Ounces These Punches Are Made Of A Durable Nylon Composite This Set Comes With Eight Pieces In Popular Sizes Sizes Include 5, 8, 11, 14, 19, 24, And 27mm Used For Shaping, Will Not Harm Or Scratch Your Precious Metals