2Pcs 20inch 35lb/156N Silver Tone Lift Supports Gas Struts with Wrench for RV 11.8x7.9x3.9inch They are made of stainless

They are made of stainless steel

Thread Size: 7/16-20 UNF

Overall Size : 50 x 28 mm / 2

Step Quantity: 9

2Pcs 20inch 35lb/156N Silver Tone Lift Supports Gas Struts with Wrench for RV 11.8x7.9x3.9inch They are made of stainlessFeature: Easy to install with simple hand tools in just few minutes. The gas springs are powerful, can support small,medium to heavy object. Such as car window, car bonnet or car tailgate. With easy fittings to any surface, just attach and lift, your gas spring lifts and hold the weight objects. This gas spring is universal, which fits for RV window, car hood and trunk, pickup truck tonneau cover, tailer cover, bus luggage door, motorcycle seat cover