Mayhew 16139 Metric Hex Dual Drive Bit Drive - 10mm 7/16

The Mayhew 16139 is a professional-grade 10mm metric hex dual drive bit designed for versatility and durability in demanding applications. Constructed from premium S2 tool steel with a proprietary heat treatment process, this bit delivers superior strength and long-lasting performance.

Key Features:

• Precision-machined tip profile for positive and secure fastener engagement
• Titanium nitride (TiN) coating for enhanced strength and wear resistance
• Unique dual drive design compatible with both 1/4" square drives and 7/16" hex drives
• Can be driven by ratchets, socket spinners, box wrenches, or open-end wrenches
• Made from hardened S2 tool steel for maximum durability
• 10mm metric hex size for common fastener applications

This versatile bit allows technicians and mechanics to use their preferred drive tool, making it ideal for automotive, industrial, and maintenance work where accessibility and tool flexibility are essential.