Feature●Standard roller chain connector links meet ASME/ANSI B29.1 standards●Pitch: 5/8 inch●Selling unit: 4 pieces●Package Dimensions: 5.0" L x 2.75" W x 3.62" HDescription
From the Manufacturer
Koch Industries single strand roller chain connector links can be used to join 2 pieces of chain by 2 pitch increments.