A3 Industries Skelestock Stocks 8.50in Long Black 8.50in. They are available in three lengths: 8.50" 9.50" and 11.00". The hinge folds right or left depending on how you mount the hinge. See hinge details below. Each stock comes with a 1/2" polymer cheek rest 90 durometer Neoprene buttpad and one steel full rotation QD lug that can attach in 2 different locations on the right or left of the stock. Specifications for A3 Industries Skelestock Stocks: Manufacturer: A3 Industries Color: Black Length: 8.5 in Weight: 15 oz Features of A3 Industries Skelestock Stocks Machined aluminum construction Folds right or left by simply flipping the hinge 3 lengths available for individual customization Fits multiple applications using steel APEX Picatinny folding mechanism Injection molded 1/2" riser cheek rest included with taller options available High-clearance narrow anti-slip rubber buttpad Wider rubber buttpad optional 4 QD sling mount locations available 2 per side Package Contents: A3 Industries Skelestock Stocks A3 Industries SK-8-50: Skelestock Stocks 8.50in Long Black 8.50in