Rail Hook
Rail Hook is an uncommon tool.
Used by some metrocops to ride the rails!
Sources
Can be obtained via 
Spawnable Item Pack or 
Technical Information
- In-game ID:
ct_alta_rail_hook - Power:
2.0 - Rarity:
Uncommon - File:
/items/active/alta/tools/rail/hook/ct_alta_rail_hook.activeitem