[SELF LOCKING MECHANISM] Prevents accidental slippage with crab ratchet design for smoother control [VERSATILE PURPOSES] Accommodates various nuts for quick gripping functionality in workshop environments [STURDY CONSTRUCTION] Made from high density forged alloy for increased hardness and durability during heavy duty tasks [ENHANCED JOINT] Heat treated structure eliminates stress points for dependable torsion stability during repairs [PORTABLE DESIGN] Lightweight and portable spanners suitable for quick adjustments in confined spaces, Manufacturer: Jelquix