The key is an angular pass 13 mm// Stels

Stels 14234 angle wrench, 13 mm, is used by private and professional craftsmen when it is necessary to work in hard-to-reach places, when a conventional open-end or box wrench does not reach the fasteners. The wrench can be used with extreme loads when more force is required.

Benefits

• Protective chrome coating prevents corrosion, which prolongs the life of the wrench.
• The wrench has been completely heat-treated, resulting in high strength and resistance to stress.
• The long side of the wrench can be used as a working side for mounting and dismounting threaded connections/studs in recesses.