GBC Binding Ring Supply Plastic Ring Binding SureLox Oval Lock 50mm 20 Holes 50 Rings Black 410 Sheets of Copy Anti-Locking (Holds Paper) PR5020A4Z-BK

Plastic ring binding fasteners. Features an oval-shaped anti-loosening lock. Size: A4 / Inner diameter: 50mm / Number of holes: 20 / Quantity: 50 pieces / Suitable binding capacity: ~410 sheets / Color: Black. This supply is essential when using our plastic ring binding machines. A wide range of ring sizes are available, from 6mm inner diameter (accommodates up to 25 sheets of copy paper) to 50mm (accommodates up to 410 sheets of copy paper). You can choose the ring size according to the thickness of your documents. The rings can be opened and closed repeatedly by machine, making it easy to replace documents. Even after binding, it can open 180 degrees, making it suitable for a wide range of uses, from internal company documents to presentation materials. Plastic Ring Binding Supplies - Size Information: Size: A4, 20 holes, Inner diameter 6mm~50mm Plastic Ring Binding Supplies - Color Introduction: Inner diameter 6mm-16mm: White, Black, Blue (3 colors) / Inner diameter 19mm-50mm: White, Black (2 colors)