Heavy Wire (14-16 ga.), Medium Wire (17-18 ga.) and Fine Wire (19-23 ga.)
For most common applications, including:
EWC5018 20 Ga. Electric Stapler 3/8" - 9/16"
Carpet Pro 20 Ga. Electric Stapler
MS-7664E 16 Ga. Stapler 1" - 2"
E1C3118 22 Ga. Stapler 3/8" - 9/16"
CS-5000 Compression Stapler
Sureshot 5020 20 Ga. Stapler
Sureshot 5424 20 Ga. Stapler
HT755 19 1/4" Stapler
HT550 20 Ga. Stapler
FS18-200 18 Ga. Brad Nailer/Stapler
N18-150 1-1/2" Narrow Crown Finish Stapler
N18-125 1- 1/4" Narrow Soffit Stapler
S150-N18 18 Ga. Narrow Crown Stapler