The Crescent CCW1-05 is a high-quality 5/16-inch SAE combination wrench designed for professionals and DIY enthusiasts who demand durability, accuracy, and ergonomic performance. Built from premium materials and engineered to meet ANSI and ASME standards, this tool is ideal for automotive, industrial, and mechanical applications where space and precision matter.

Key Features:

• Dual-Function Design: Combines an open-end for quick access and a 12-point box-end for enhanced grip and torque, offering versatility for a wide range of fastening tasks.
• Crestoloy® Chrome Alloy Steel: Made from specially formulated, heat-treated alloy steel for exceptional strength, wear resistance, and corrosion protection.
• Off-Corner Loading Technology: The box-end grips fasteners away from the corners, reducing rounding and improving torque transfer for safer, more efficient work.
• Polished Chrome Finish: A full polish chrome coating resists rust, wipes clean easily, and maintains a professional appearance over time.
• Clear Size Markings: Size is hard-stamped on both sides of the wrench for quick identification and inventory control.
• Compact & Lightweight: At 5.51 inches in length and weighing just 0.09 lb, it’s ideal for tight spaces and portable tool kits.
• Meets or Exceeds ANSI/ASME Standards: Built to professional specifications for safety, performance, and reliability.
• Lifetime Warranty: Backed by Crescent’s limited lifetime warranty, ensuring long-term value and peace of mind.

Specifications:

• Size: 5/16 inch (SAE)
• Length: 5.51 inches
• Weight: 0.09 lb
• Material: Crestoloy® Chrome Alloy Steel
• Finish: Full Polish Chrome
• Box End Points: 12-point
• Offset Angle: 15° (box end), 0° (open end)
• Open End Width: 0.64 in
• Open End Thickness: 0.15 in
• Box End Width: 0.63 in
• Box End Thickness: 0.19 in
• Drive Type: Open End / Box End
• Measurement System: Imperial (SAE)
• UPC: 037103336972
• Warranty: Limited Lifetime

Ideal Applications:

• Automotive repair
• Industrial maintenance
• Equipment assembly
• DIY and home improvement
• Farm and construction machinery