ACCO Prong Fastener Compressors, Premium, 1" Capacity, for Standard 2-Hole Punch (2 3/4" Centers), 100 Per Box (70014) Compressors only, 100 per box; 1" capacity; 2 3/4" size prong to prong Heavy gauge and high-grade material for superior strength and durability Coined edges are smooth and safe; tin coated matte finish