Cap Stapler - Button Staplers for House Wrap, Roofing Felt and more
Dupont Tyvek Wrap Caps StaplePac - 5/8"
Time to retire your hammer-tacker? - Fine Homebuilding
Bostitch 18-Gauge 5/16-in Narrow Crown Cap Pneumatic Stapler in the Pneumatic Staplers department at Lowes.com
Stingerworld | Fasteners
STINGER® Cap Hammers - Parksite
CH38-2 Cap Staple Hammer Tacker, 1" Caps, 3/8" Staples for Roofing Underlayment, Housewrap, and Insulation (STINGER 0136400) - Hand Staplers And Tackers - Amazon.com