This fits your .
The popular 18G, Surebonder 55038, Heavy Duty 3/8" Leg Length, .417" Heavy Duty Narrow Crown Staples (Arrow T50 Type) are a must for the homeowner, not only for its many uses, but it will accommodate many staplers and staple guns. These staples are perfect for insulation, carpeting, wire mesh, canvas, roofing paper, felt stripping, upholstery, covering cornices, weather stripping, and low voltage wiring. For use in the following models: Surebonder 5690 Triggerfire, 5600 HD 3-in-1 Stapler, 5685 HD Professional/Contractor Gun, 5800 HD Hammer Tacker, and Surebonder 9600A Pneumatic Narrow Crown Stapler. Arrow T50, ET-50, ETC50, HT50A, HT50P, T55, HT55; Stanley PHT150, TR100, TRE500, TR100HL, TR200, TR60; Powerfast (Swingline) 10401, 31690, 31890; Ace Hardware 2014413; Craftsman 68434, 68514, 68517, 68492, 68515; Black & Decker 5700, 2000E, 3000E, 4000E, and 6000E. There are 1,250 staples in a box.
Surebonder 55038 Heavy Duty 3/8-Inch Length Staples Arrow T50 Type 1250 Count - B00LX970J6