Grand & Toy Heavy-Duty Stapler - Staples Upto 100 of 20lb Paper - Holds Upto 210 Staple - Full Strip - Staple Size: 1/4" (6.35 mm), 3/8" (9.53 mm), 1/2" (12.70 mm) - 2.75" (69.85 mm) Throat Depth - Black - Metal, Rubber - 1 Each