twin loop wire variety

These metal high quality black or white Pitch Twin Loop Wires are some of the best wire binding spines on the market today. Also called Wire-O, WireBind, and Double Loop Wire loops 34 1/4"x12" aprox 20 to 30 sheets (20lbs) 5/16"x12" aprox 30 to 50 sheets (20lbs) 3/8"x12" aprox 50 to 60 sheets (20lbs) 7/16"x12" aprox 60 to 80 sheets (20lbs) 1/2"x12" aprox 80 to 100 sheets (20lbs) 9/16"x12" aprox 100 to 120 sheets (20lbs)