Contain document sets with these self-adhesive fasteners. Made from durable steel that resists corrosion. Flexible design allows for quick and simple fastening. Features a strong bonding adhesive to remain permanently in place. Fits in regular two-hole punched paper. Two-Prong Base. Fastener Subtype: Two-Prong Base; Fastener Capacity: 1"; Fastener Sheet Capacity: 100 Sheets; Center To Center: 2.75".