Cap AutoFeed Hammer CH38A delivers the cap-and-staple fastening you need with the speed of a hammer and the precision of auto-feed. Built for pros and serious DIYers tackling house wraps, exterior siding, and moisture control, it makes every swing count—and every cap sit perfectly in place.

Key Features & Design

• Airless cap system that delivers a cap and a staple.
• Advanced auto-feed feature automatically advances the cap and positions it for the staple.
• Holds 168 caps and 168 staples.
• For use with Stinger 3/8 in. staplepac only.
• Cap fasteners are recommended installation best practice by house wrap manufacturers as caps help seal out moisture that can penetrate sidewalls.
• Provides better holding power than a nail or staple alone, reducing problems with moisture penetration and blow-offs.
• Tool Weight: 2.9 lbs.
• Fastener Capacity: 168 caps / 168 staples.
• Cap Type: Full 1" plastic collated caps.
• Fastener Type: 3/8" crown staples.
• Fastener Length: 3/8"