Single Attachment Sling Endplate 1 ¼-inch slingMade for Right and Left handed operators, Vltor now offers an Ambidextrous Single Attachment Sling Endplate (SASE). These sling plates are a direct replacement to your existing receiver endplate. Two models are available: one accepts a 1 1/4-inch slings and the other accepts an HK-type hook/carabineer. Choosing the right or left hand placement is easy. Simply install the indexing washer and screw which interfaces with the rear of the receiver. It’s so simple you wonder why no one thought of it before!