Ronstan TriggerSnap Shackle - 89mm. Release under load is easily accomplished by using a spike to safely actuate the trigger.Material selection and manufacturing processes have been carefully refined in the design and testing stages. Heat treated investment cast 15-5PH stainless steel components offer high strength corrosion resistance and durability. Each Ronstan TriggerSnap is individually proof-load tested and stamped with a production code for traceability. Package Contents: Ronstan TriggerSnap Shackle Ronstan RF7120: TriggerSnap Shackle - 89mm