Stainless Steel Staples are top quality and will give full corrosion resistance. Ideal for use outdoors. Used extensively in the boat building industry. Also when working with woods like cedar, redwood etc it is advised to use a stainless steel fastener as the tannin will react with the conventional finish and will cause unsightly blackening/staining. Available in types:- 71 Series, 80 Series 90 Series and 140 (T50) Series. Just click on your size/type to learn more, click the drop down menu for correct gauge then take to cart. Unsure? call 0333 8000 345 or drop us a note here