The Bostitch BTFP12181 Manual Carton Stapler, drives 1-3/8" crown SW9040 Series staples from 5/8" to 7/8" in length. Featuring a second handle for comfort, the BTFP12181 manual carton closer is ideal for applications where the stapler will be shared between several different worksites. Manually operated, this carton closing stapler is one of the most versatile options available for low volume carton closing applications. Penetrating clinchers are adjustable for either through or blind clinching. Tool comes with a one-year warranty.