21MM Williams Combination Wrench - 12 Pt - 1221MSC-TH

The 1221MSC-TH 21MM Williams Sc Combination Wrench - 12 Pt comes with the Williams Brands Limited Lifetime Warranty.

High Polish Chrome Finish with SUPERCOMBO Open End and SUPERTORQUE Box End

Features

• SUPERCOMBO open end has specially designed grooves that direct wrench force away from fastener corners
• SUPERTORQUE box opening design allows application of higher torque without rounding or deforming hex fastner point
• No contact is made at the corners. Instead, wrenching forces are placed on the flat surfaces behind the points
• Meets or exceeds aerospace specification AS 954 for 12 point fasteners (as defined by AS 870) to provide accurate torque/tension relationship for precision application
• May be used on all common hex (6 point) fasteners with considerable advantage over conventional box end wrenches to increase both hand tool flexibility and economy
• Box and open end openings are identical
• Country of Origin : USA
• Size (Inches) : 21
• Overall Length (Inches) : 11 25/32
• Open End Width (Inches) : 1 3/4
• Open End Thickness (Inches) : 3/8
• Box End Diameter (Inches) : 1 7/32
• Box End Thickness (Inches) : 17/32
• Weight (lbs) : 0.82