ID Badge, Identity Card Slot Puncher, Long Slot Punch- 1.5cmW Slot Great for use at the trade show, fashion show exhibition etc. Heavy Duty - Spring Design Adds Extra Strength for clean punches. Visible Knife edge allows for checking the position of the card before punching. Hand Held Steel Badge Slot Punching Tool for ID card and credentials. Slot Size (L x W): Approx 15 x 3 mm