Spotnails has been in business for over 75 years. They manufacture and distribute pneumatic nailers, staplers, specialty tools, and corresponding fasteners.
Spotnails 2-12D131 3-1/4x131 20-22 Degree Plastic Strip Bright Smooth Shank Nails, 4,000/Box
Collated / 3-1/4 in. / .131 in.