ITEM NAME:Boat Hatch Lid Stay Support Adjuster 10 to 19 inch 10"-19" - Stainless Steel Description: This stay is suitable for securing hatches partially or fully open. Load Capacity: 33 lbs. Mirror Polish 100% Brand New Marine-Grade product. Sliding frame is all stainless steel with stainless mounting frame . Stainless bar slides within a frame and is clamped tight in any position with plastic knobbed bolt. A stop prevents arm from coming apart in the event that the hatch is fully opened. Specification: Size: W: 15mm (0.59") Retracted L: 260.5mm (10.26") Extended L: 485mm(19.1") Package Includes: 1 X Boat Telescoping Hatch/Window Adjuster and Stay Support Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!.A stop prevents arm from coming apart in the event that the hatch is fully opened. This stay is suitable for securing hatches partially or fully open. Load Capacity: 33 lbs.