Bullet Point:【PREMIUM MATERAIL】: The quick adjust sling is of high quality nylon material which is lightweight, wearable and fatigue resistant. 1.2 inch wide webbing sling strap and smooth surface design make it comfortable to wear for a long time.【QUICK DISCINNECT SLING SWIVELS】: Each end with the sling with a push button qd sling swivel, QD button design for quick detaching and attaching on qd sling mounts or qd socket by one hand.【FAST ADJUST ON THE FLY & ADJUSTABLE LENGTH】: Features a thump loop, you can quickly and flexibly adjust the 2 point sling qd length without removing the strap when shooting or training to suit your activities. The QD sling length can be adjusted to 55.9”.【PERFECT SIZE】: The qd swivels fit all diameter about 0.375” qd sockets found on some stocks and handgurard rails. Please make sure the diameter of your QD hole is also about 0.375”, so it will not loose out of qd socket.【ANTI-RUST & SCRATCH QD SLING MOUNTS】: Package also included 2 pack QD mounts for MLOK rails. of aluminum alloy, which is high-strength and lightweight. And with a professional anti-oxidation coating, it is not easy to rust and scratch. Mounting hardware is provided for easy installation.Description:Fast Adjustment Thump Loop: With a thumb loop that allows you to quickly adjust the length with a simple of the strap to tighten to the perfect position.Fits diameter about 0.4 inches (about 1.0 cm) QD Hole.Each end with a heave duty qd sling swivel. Fits diameter about 0.39” (about 1.0 cm) hole. Please make sure the diameter of your QD hole is also about 0.39” (about 1.0 cm), so it will not loose out of qd socket.Adjustable Length: The sling strap length can be adjusted to 56”(about 142.2 cm), to fit most p