Stainless Steel Handrail Wall Bracket Round Slim (Mounting Surface: Wood or Sheet Rock) Stainless Steel AISI 316 Marine Grade for outdoor and indoor areas Suitable for round handrail of 1 1/2" to 2" diameter Suitable for wood/metal stud OR concrete, brick or block 1 9/16" opening from wall to edge of handrail Satin/brushed finish