1 Pair Sling Swivels 1.25 Inch Heavy Duty 300 LB Quick Detach for Hunting Rifle Sling A Pair of Heavy Duty Quick Detach Sling Swivels 1.25 Inch with a quick detach lock. Mount on any starndard swivel studs smoothly. Made of High Tensile Strength Metal with fine black finished. Heavy Duty 300 LBS. Machine Screw type and wood screw rear base.