Swingline 390 Heavy Duty Stapler - Staples Upto 160 Sheet of 20lb Paper - Staple Size: 1/4" (6.35 mm), 3/8" (9.53 mm), 1/2" (12.70 mm), 3/4" (19.05 mm) - 2.75" (69.85 mm) Throat Depth - 1 Each - Platinum - Metal