Arrow Fastener Co. LT Duty Staple Gun - JT21M LT Duty Staple Gun Load full strip of (100) ARROW staples of .030 wire in sizes 1/4", 5/16" and 3/8" staples. Visual refill window. Perfect for screen repairing, light upholstery work, kitchen shelf trimming, closet lining, cornice covering and scores of other light duty household tacking chores. No. JT21M : All steel construction. Jam-proof mechanism. Hand-contoured handle. Built-in staple lifter. Household baked enamel finish. PRODUCT FEATURES HOUSEHOLD - LIGHT-DUTY Boxed Finish= Baked Enamel PRODUCT SPECIFICATIONS Width(in): 8.35 Height(in): 7 Length(in): 11 Weight(lb): 1.15 Estimated Cubic Size (cu in): 53.58 Model: JT21M Hardware Tools Hand Tools Staplers-Tackers Arrow Fastener Co Staplers-Tackers