Genius Tools Screwdriver Bit 5/16 Inch Hex Shank #4 Phillips Drive 88mm Length Durable Steel - 1504

Genius Tools Screwdriver Bit 5/16 Inch Hex Shank #4 Phillips Drive 88mm Length Durable Steel - 1504 Professional Screwdriver Bit

This professional screwdriver bit is built for consistent engagement in #4 Phillips fasteners with a 5/16 inch hex shank for secure driving. The 88mm overall length provides a practical balance of reach and control for demanding hand-tool and bit-holder setups.

Constructed from High Speed Steel, it is engineered for strength, durability, and anti-corrosive performance. Size markings are stamped directly on the bit to keep identification quick and permanent in a busy tool roll, drawer, or cart.

Key Benefits

• 5/16 inch hex shank supports stable fit in compatible holders and drivers.
• #4 Phillips drive profile helps maintain proper fit in matching fasteners.
• 88mm overall length offers added reach while preserving controlled handling.
• High Speed Steel construction delivers high strength with anti-corrosive properties.
• Heat-treated for a tough exterior and strong core for long service.
• Stamped size markings enable fast identification and reliable tool organization.
• Meets or exceeds ANSI standards and includes limited lifetime warranty coverage.

SKU 1504 is designed and made for professional technicians who need a durable bit that holds up under heavy use. With heat treatment, stamped identification, and High Speed Steel construction, it supports dependable performance and easier organization without adding unnecessary complexity to your tool kit.