The Assenmacher Specialty Tools BY10 is a 10mm Bypass Wrench engineered for Case and Chelsea-Allison applications. Its distinctively curved S-profile body allows technicians to reach and turn bolts and nuts that would otherwise be blocked by surrounding components or obstructions. One end features a 12-point box wrench head sized at 10mm, while the opposite end incorporates a 3/8" square drive, providing versatile fastener access in tight or restricted spaces. Built from chrome-finished steel, this specialty wrench delivers durable, professional-grade performance for demanding service environments.
Features
Bypass design accesses bolts and nuts by routing around obstructions that would otherwise prevent engagement
Designed specifically for Case and Chelsea-Allison applications
One end features a 10mm 12-point box wrench head for secure fastener engagement
Opposite end features a 3/8" square drive for added versatility
Chrome-finished steel construction for corrosion resistance and long-term durability
Specifications
Brand: Assenmacher Specialty Tools
Model: BY10
Wrench Size: 10mm
Drive Size: 3/8"
Wrench Type: Bypass Wrench
Application: Case and Chelsea-Allison
Finish: Chrome
Tool Category: Automotive Tools
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