THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: UNIVERSAL UNV81011 OFFICEMATE OIC99853 OFFICEMATE OIC99853 UNIVERSAL UNV81011. Prong Fastener Base 1 Capacity Onepiece metal base prong fastener. One piece base has 23/4 between prongs. Adjust to hold from 2 to 300 sheets of material. Designed to fit all standard gauges of punching. Corrosion resistant. Made of tempered steel. Box of 100. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0