HELLO! we can supply you from stock with a wide range of Gas Springs for Hatches and Doors from 10 lbs to 1000 lbs and more. We stock Stainless Steel Gas Springs and Steel Black Coated Gas Springs. We supply End Fittings and Brackets to match. We can assist you with engineering for the right positioning of your gas spring. Ask for assistence by emailing us to Sales@izerwaren.com