Mirror Polish 100% Brand New Marine-Grade product, water and corrosion-resistant, ideal for harsh environments such as yachts and boats, suitable for both indoor and outdoor use. It is durable and long-lasting, very high-quality material with water and rust resistance and long-term durability. The Stainless bar slides within a frame and is clamped tight in any position with a plastic knobbed bolt, the sliding frame is all stainless steel with a stainless mounting frame. This stay is suitable for securing hatches partially or fully open. Load Capacity: 33 lbs. The sliding frame is all stainless steel with a stainless mounting frame. Package Includes: Pack of 1 MARINE CITY 316 Marine Grade Stainless Steel Hatch Lid Stay Support and Adjuster (Screws are not included). Available in 3 sizes.