Hub Knuckle Extender - Function and benefit: This tool simplifies removing and installing suspension bolts by keeping the split hubs open, preventing damage to larger upper hubs and lower ball joints. - Material and durability: Made from high strength steel with wear resistance, it remains strong and resistant to deformation under tough conditions. - Easy to use: Allows you to achieve maximum torque with standard 13 mm hand tools; no need for complex electric or pneumatic tools, saving energy and effort. - Compatibility and portability: Suitable for a wide range of car models; lightweight and compact for easy transport and storage; compact design enhances safety. - Use scenarios: • Servicing suspension bolts on vehicles with larger upper hubs. • Working on split joints with a lower ball joint on SUVs and trucks. • On-site or shop use where space is limited and hub access must be protected from damage.