48" - 90 Degrees - Outside Corner. The RiversEdge Stainless Corner Guard is made from 16 gauge (.062") polished 430 grade stainless steel. They do a great job of protecting wall corners from everyday knocks. The fastener-mount design makes installation simple and clean with minimal fasteners exposed. Both sides include an extra 1/4" wing for a smooth transition to your walls. (4) holes on the 48” length with spacing approx. 15.25” apart and 0.187” diameter holes. Top and bottom holes are 1” in from the top and bottom. Typical applications include kitchens, hospitals and commercial buildings. Manufactured in Broseley, Missouri. Made in USA! Mounting hardware not included.