ITEM NAME:Durable Solid Stainless Steel Heavy-Duty Boat Telescoping Hatch/Window Adjuster 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! SKU: DMO0012091667027920.A stop prevents arm from coming apart in the event that the hatch is fully opened.