Powerhobby SCX24021 Blue Long Travel Aluminum Threaded 48mm Shocks for SCX24 Lubricants Short Circuit Protection: Yes

Short Circuit Protection: Yes

and R/C unit areas protected by covers against dirt and debris

Athearn 17912 HO Scale 53' Utility Reefer Trailer Navajo 1555378

but if you're still confused

Woodland Scenics TR1106 Conifer Tree Kit

Powerhobby SCX24021 Blue Long Travel Aluminum Threaded 48mm Shocks for SCX24 Lubricants Short Circuit Protection: YesPowerhobby SCX24021 Blue Long Travel Aluminum Threaded 48mm Shocks for SCX24 Aluminum Damper for the Axial SCX24, or other mini micro crawler. These shocks are friction damped, requiring only a coating of tacky grease. They include a machined reservoir shock cap for realistic scale looks. FEATURES: Machined aluminum construction Telescopic design for maximum travel Threaded shock bodies for quick pre load adjustments Scale looking reservoir (non