The LCN 1260 Series is a light to medium duty Grade 1 cast iron closer designed to fit into the most common commercial footprint. The 1260 is adjustable from spring sizes 1 to 5 and offers a complete line of regular and extra duty arms. The 1260 features a full compliment bearing, 1-3/8 In. diameter piston and a 5/8 In. diameter single heat treated pinion journal. The non-handed design along with the peel-n-stick template with a 3/4 In. x 9-1/16 In. mounting hole pattern make for an easy installation.