Swingline 35314 S.F. 13 Heavy-Duty Staples, 0.25" Leg, 0.5" Crown, Steel, 1,000/Box - Pack of 1000
$6.63
For use with heavy-duty staplers. Premium heavy-duty staples feature precision chisel points for better piercing ability and less jamming. Compatible with high-capacity heavy-duty staplers only.