Chain Pitch: 2.250 in; Chain Material: Steel; Roll Diameter: 1.41 in; Distance Between Inside Sidebars: 1.410 in; Double Pitch: No; Lacing: N/A; Sidebar Thickness: 0.280 in; Number of Strands: 3; Pin Diameter: 0.69 in; Pin Type: Carburized; Roller Chain T; Product Line: Roller Chains; Series: Offset Links; Model = 180-3