Description
Genius Tools Impact Extension Bar 200mm Length 3/4 Inch Drive with Pin Hole – 640200 Impact Socket Extension
This 3/4″ drive impact extension bar adds 200mm (7.87″) of reach for impact socket setups where clearance is limited. The pin hole design supports secure retention during heavy-duty service work, helping maintain control and consistency when working with high-torque impact tools.
Built from Chromium Molybdenum Alloy Steel, it is designed for strength, durability, and resistance to corrosion in demanding shop environments. A heat-treated, oil-quenched process and matte black oxide finish support long-term performance while protecting the surface during repeated professional use.
Key Benefits
- 3/4″ drive impact extension adds reach for tight, recessed fasteners.
- 200mm (7.87″) overall length balances access and control during service.
- Pin hole supports secure socket retention for demanding impact applications.
- Chromium Molybdenum alloy steel delivers high strength and long wear.
- Matte black oxide coating helps resist corrosion and surface wear.
- Oil-quenched heat treatment provides tough exterior with strong inner core.
- Stamped size markings enable fast identification and consistent tool organization.
Designed and made for professional technicians, this extension meets or exceeds ANSI standards and is backed by the Genius Tools Limited Lifetime Warranty against manufacturer defects. SKU: 640200. A practical choice for heavy-use impact service where durability, identification, and consistent fit matter.









