Made from high grade stainless steel, Heavy duty and Strong, with black oxide finish. Swivel Lock spring-loaded plunger. 300+ pound strength locking system. Threaded sleeve eliminates accidental opening of the swivel, fits any gun with molded-in swivel studs Perfect coordination of high-precision parts, silence, No sound Package include: 2 pcs bulk packing in size 1 inches, fits 1 inch wide gun slings Quick Release Shoulder Strap Buckle Tactical Buckle Gun Buckle Material: Steel Size: one inch Category: strap buckle Age: 22-65 years old