Use Heavy-Duty Chisel Point Staples in Stanley Bostitch 00540 and most brands of heavy-duty staplers. Made from high carbon steel for better performance. Heavy-duty chisel point staples are 1/2" wide, 13/16"L.
Heavy-duty 0.81" staples for stapling through 130 to 165 sheets.
Constructed from superior quality, high-carbon wire to reduce buckling and jamming.