Ambidextrous, all steel endplate provides secure, balanced single-point sling attachment, so your collapsible-stock rifle or carbine can be carried tangle-free in the ready position at all times. Special indexing washer with screw interfaces with the rear of the receiver to allow easy installation for right- or left-hand use. SASE-1 features a single slot that accepts conventional 1A 1/4" wide webbing. SASE-2 has loop to accept HK-style hook or carabineer clips. The SASE-2E is an enhanced version of the SASE-2 featuring a larger loop to accommodate larger HK-style hooks Mfg: Vltor Weapon Systems SPECS: Steel, black, matte finish. 2-1/16" (5.2cm) long, 1-3/8" (3.5cm) wide, 1/8" (3mm) thick. .7 oz. (20g) wt. Fits AR-15/M16/M4 and clones with collapsible stock.