Kube Banister Support Brackets - 15mm, Stainless Steel Wall Handrail Brackets. Made of AISI 304 Stainless steel with Brushed Finish. These handrail brackets come in high-quality stainless steel. Strong Kube Design For Added Durability. A mounting assembly for all Bannister Supports. Fasteners Included. Great used for indoor or outdoor in all environments.