The Metolius Offset Master Cams are composed of two small lobes and two larger lobes to fit flared placements and pin scars PRODUCT FEATURES: Size 0/1 purple/blue 0.44 - 0.65" A flexible, single stem unit with an ultra-narrow head width for hard aid or free climbing Molded thumb piece 13 mm (0.51") Monster Sling webbing (36% Dyneema/64% nylon) Range Finder tells you at a glance if you"ve chosen the right size cam for the placement Optimized cam angle for more outward force Machined cam stops Color-coded sewn slings and tubing CNC machined for much greater precision than stamped or extruded cams 7075-T6 aluminum OFFM001 , METOLIUS OFFSET MASTER CAM - SIZE 0/1 , METOLIUS , OFFSET MASTER CAM , SIZE 0/1 , protection , rock climbing , crack , pin scars