Arrow Monel T50 3/8 in. W X 1/2 in. L 18 Ga. Flat Crown Heavy Duty Staples 1000 pk

Arrow 508M1 1/2 inch (12 mm) Monel Heavy Duty Staples for Arrow T50 Staple Guns and Hammer tacker are rustproof staples that will not corrode in salt water. These staples are great for marine applications such as reupholstering boat interior and seats.Monel staples should not be used and will corrode with any wood that has been treated with ACQ (pressure treated wood).