(Note: mounting screws are not included with this gas spring, please buy separately if required) GSK500N-716MM Gas Strut 500N 10mm dia. Shaft x 22mm dia. Tube; Stroke... Better choice for lightweight lids: ARANA 400 mm gas spring for lid weight between 41-56 kg, 600 mm ≤ side length ≤ 800 mm. ARANA 400mm 500N Gas Springs 51kg Hydraulic Replacement Gas ARANA Gas Struts ARANA 400 Mm 800N Gas Struts, 80 Kg Gas Spring Replacement Gas Spring Hydraulic Holder For Cabinet Door, Tool Toy Box Cover, Caravan Door, DIY Applications, Pack Of 2 Strut Calculations [ Installation and Support ] If there are any product defects, fit problems or missing parts, replacement support will be provided for 18 months if you inform ARANA about it. ARANA 400mm 500N Gas Springs 51kg Hydraulic Replacement Gas Strut Support Cabinet Door Toy Box RV Door DIY Applications 2pcs : : Industrial & Scientific About this item [ Best Choice for Lightweight Lids] : ARANA 400mm gas spring for lid weight between 41-56kg, 600mm ≤ side length ≤ 800mm; Note Trusted quality: ARANA 400 mm gas lift with carbon steel process, higher hardness, corrosion resistant; double seal design to prevent oil leakage, longer service life [ Scope of use ] : ARANA gas lift are widely used on cabinet door, toolbox lid, light floor hatch, cellar door, bench lid, trash can, RV side door, generator house cover or other creative DIY applications, etc