Knockout Punch Set TPA-8 Made of aluminum alloy, lightweight.Knockout Punches: 1/2",3/4",1",1 1/4", 1 1/2",2" Hydraulic Knockout Hole Punch Driver Kit Punching range: Φ0.88-2.42 inch in the 0.14 inch mild steel Punching force:69KN Stroke:0.86 inch Length:12.2 inch Weight:4.85 lb Package: plastic box Weight of box:2.64 lb ACCESSORIES: Round Knockout Punches: 1/2",3/4",1",1 1/4", 1 1/2",2" Content Includes 1x Hole Puncher 6x Punch Dies 1x Spacer 1x 7/16"3/4"Draw Stud 1x 3/4"x3/4" Draw Stud 1x Sealing Kit 1x Plastic box 1x English Manual How To Punch The Metal Sheet? Step 1 Rotate the punch head 360 degrees. Step 2 Release the valve pressure of the knockout punch kit. Step 3 Screw the punch draw stud.Place the die on the draw stud.Put the spacer on punch draw sud. Step 4 Let the pilot hole of material through the punch draw stud.Place the punch onto the draw stud until it is tight, if the punch is not tight enough, the hole may not be completed. Step 5 Turn the pressure valve off.Pump the handle until the punch is completely through the material. Step 6 Take out the slug.Release the turn screw. Hydraulic Hole Punch TPA-8 Ratchet Hole Punch CC-60 Metal Stud Punch CC-100 Copper Tube Expander VG-300A Copper Tube Expander IG-300A Copper Press Tool IG-300A Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.5 out of 5 stars 47 4.6 out of 5 stars 199 4.8 out of 5 stars 12 3.7 out of 5 stars 25 4.4 out of 5 stars 84 4.4 out of 5 stars 87 Price $126.99$126.99 $72.99$72.99 $116.99$116.99 $129.99$129.99 $101.99$101.99 $119.99$119.99 Work Power Hydraulic Ratchet Manual Manual Hydraulic Hydraulic Hydraulic Punch Size 1/2",3/4",1",1 1/4", 1 1/2",2" 1/2",3/4",1",1 1/4", 1 1/2",2" 7/8", 1-1/8", 1-11/32" 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8". 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8". 1/2", 3/4", 1" Dies no data no data no data no data no data no data