Extension bar ELORA 770-L with square driver 1/2 inch

Extension bar ELORA 770 L supports manual tightening tasks in mechanical assembly. Each bar uses Chrome Vanadium steel 31CrV3 for stable strength. The chrome plated surface reduces glare during work. The polished head maintains smooth engagement with sockets.

The square drive follows DIN 3120 and ISO 1174. The locking ball or hole provides secure retention. Length options include 50 mm, 75 mm, 125 mm, 250 mm, and 500 mm. The series is intended for hand operation only and excludes impact or powered tools.

Extension bar ELORA 770-L
with square driver 1/2 inch

• Square drive: 1/2 inch
• Material: Chrome Vanadium 31CrV3 / 1.2208
• Surface: Chrome plated, polished head
• Drive standard: DIN 3120, ISO 1174
• Bar standard: DIN 3123, ISO 3316
• Locking system: Ball locking device or hole
• Lengths: 50 mm, 75 mm, 125 mm, 250 mm, 500 mm
• Use case: Manual tools only
• Country of origin: Germany

Extension bar ELORA 770 L supports manual tightening in mechanical service tasks. The bar extends reach inside assemblies that limit tool access. Technicians use it during engine service, gearbox work, brake repair, and chassis maintenance.

The 1/2 inch drive fits common socket systems in workshop settings. Length options improve access during bolt removal and installation.