... ", 1", 1-1/2", 2", 2-1/2", 3" Standard Sheet Size: 11x8-1/2" + 1/2" tab allowance General Information ... : Round 3-ring metals can be mounted in the ... Capacities: 1", 1-1/2", 2", 2-1/2", 3", 4" Standard Sheet Size: 11x8-1/2" + 1/2" tab allowance ... ", 1", 1-1/2", 2", 2-1/2", 3" Standard Sheet Size: 11x8-1/2" + 1/2" tab allowance General ...