1″ + 2″ Double Square 10pc Bitrail
$12.95
The 1″ + 2″ Double Square 10pc Bitrail includes double square (Robertson) bits in both 1-inch and 2-inch lengths.
• Lengths: Dual – 1″ and 2″
• Premium S2 steel with precise double square fit, extreme heat hardening and a torsion zone to reduce breakage on impact tools
• 1/4 inch hex shank
• Rail: Crushproof, weatherproof
• Compatible with all 1/4 inch hex impact drivers
The 1" + 2" Double Square 10pc Bitrail provides comprehensive double square drive coverage with both standard and extended lengths. This 10-piece set includes double square bits (also known as Robertson drives) in both 1-inch insert and 2-inch power bit lengths, ensuring the right tool is available for any double square fastening application.
Double square fasteners offer superior engagement compared to Phillips drives, making them popular in construction, woodworking, and industrial applications. The square recess provides positive engagement that resists cam-out, allowing higher torque application without fastener damage. This set ensures comprehensive coverage for double square work.
The dual length approach provides versatility for different applications. The 1-inch bits work well for compact spaces and with bit holders for additional reach. The 2-inch bits provide extended reach for recessed fasteners and applications where a bit holder would add too much length. Having both lengths eliminates compromises.
All bits feature premium S2 steel construction with extreme heat hardening for impact-rated durability. The precise machining creates exact-fit engagement with double square recesses, maximizing torque transfer and minimizing fastener damage. The torsion zones absorb impact driver shock loads.
The Bitrail organization system keeps this dual-length collection accessible. The crushproof, weatherproof construction protects bits in demanding environments, while the transparent cover allows quick length and size identification. The organized layout separates 1-inch and 2-inch sections.
This set is ideal for construction workers, woodworkers, and anyone who works with double square fasteners regularly. The dual lengths and organized storage make it a valuable addition to professional tool collections.










