Description: TOPENS roller chain has gone through strict process measures for high standard. It is a durable chain that will work with standard sprockets on TOPENS sliding gate opener CK500/CK700/CK1200/DKC1000 and some other brands’ chain driven sliding gate openers. The chain is shot peened during production to increase metal fatigue resistance. Pre-stressed and pre-stretched for better performance with fewer adjustments, it outperforms most of the other competitions of heavy-duty chains. The chain is suitable for the harsh demands of wet and corrosive environments and extreme temperatures from -20 to 50°c (0 to 120°F). During chain assembly, all chain components are oriented to ensure that pins and inner plates are correctly positioned for optimum chain strength and long life. The chain can be easily cut to meet different customer requirements of Length. Specification: Pitch: 0.5” (12.70 mm) Roller Diameter: 0.335” (8.51 mm) Width between inner plates: 0.305” (7.75 mm) Pin Diameter: 0.175” (4.45 mm) Pin length L: 0.667” (16.95 mm) Pin length Lc: 0.75” (19.05 mm) Inner plate depth: 0.465” (11.81 mm) Plate thickness: 0.063” (1.6 mm) Average Tensile strength: 4406 lbf (19.60 kN) Package size: Item Weight: 9.3 lbs (4.2 kg) Package Dimensions: 11.4*1.2*10.2” (29*3*26 cm) Notice:Please make sure the size of the roller chain when you buy it; Small parts,please keep away from children.