Product Description
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
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