Check the listing for details. HKK #40-C/L Japanese Connecting Links (10 Pack). Condition: New. Listed at 18.20 USD. HKK #40-C/L Connecting Link 1/2" Pitch AVERAGE TENSILE STRENGTH: 4,300LBS HIGH TENSILE STRENGTH With Heavy Side bars for increased fatigue strength FREE SHIPPING. Your best choice for tough applications! Introducing SUPERIOR CAPACITY PLUS HKK Superior Capacity roller chains have always had highest working loads of any standard roller chain. With the introduction of the new Superior Capacity Plus chains HKK has proven to continue to be the industry leader of Maximum Allowable Load Capacity. This new state of the art technology gives HKK Chain the highest fatigue strength and working loads of any standard series chain. Standard Cold Forged Solid Bushings (retain their cylindrical walls) Better Pin Bushing Contact Solid Rollers Specially Treated Pins and Bushings Stringent Controlled Heat Treatment High Grade Alloy Pins Shot Peened Parts Double Punched Wide Waste Link Plates Manufactured in Japan Our drive is simple: Sell the world’s highest quality roller chain while providing an excellent value to our customers.