ITEM NAME:Stainless Steel Horseshoe Lifebuoy Swimming Ring Holder for Yacht Ship Boat Description: Material: 316 Stainless Steel Surface Finish: Polished Size: 15 x 11.5cm/ 5.91 x 4.53" Suits lifebuoys and life rings With a stainless steel bracket and a plastic mount Adjustable to rail at any angle It’s meant to mount to rails, but you could remove that piece and then it would mount to a flat surface. Package Includes: 1x Lifebuoy Holder.1x Lifebuoy Holder. Adjustable to rail at any angle. With a stainless steel bracket and a plastic mount. Material: 316 Stainless Steel. Surface Finish: Polished.