Product Name: (WDXD-500) 3 Hole Punch for Heavy Layers Punching Machine Model NO.: WDXD-500 Condition: New Precision: Precision Power Source: Manual Automatic Grade: Manual Type: Hole Punching Model: Wdxd-500 Trademark: WD Transport Package: Carton Origin: China HS Code: 84411000 Product Description Specification:Holedistance:83mmPunching Diaeter:5mm(4,6,7,8)Max punching thickness:36mmOperating Instructions:1. Maximum punching thickness: 35mm, distance between holes: 83mm,hole diameter: 5mm (alternative: 4mm, 6mm, 7mm, 8mm)2. Adjust and fix the paper according to its size, to get accurate position of the holes.3. Check the black pad frequently, turn it clockwise or counter-clockwise if necessary, and change it when it is broken.4. Punching knife should also be changed when necessary.5. When change pouching knife, please unscrew M5, change the knife, and then tighten the screw M5 again.6. Please clear the wastepaper box frequently.