1)Thickness 0.5mm-8mm 2)Opening Width 2.5mm-50mm 3)Opening Length 4.5mm-100mm 4)tem Width 0.5-8m ***How to order - Specials: 1. Quantity of sheets 2. Hole Description - shape and size 3. Type of Pitch - staggered or square 4. Thickness 5. Material - mild steel, stainless steel, aluminium and brass 6. Margins - dimensions of blank margins if required 7. If special sized sheets or shapes are required, detailed drawings must be supplied