Properties and application:

• Ring type ended spanner
• Special forged wrench with short grip
• Spanner for very heavy-duty work when you have to use additional impact force (e. g. with a hammer)
• Used commonly with large fasteners with index marks: The nut is screwed nice and tight by hand, then tightened by this spanner known number of calculated index marks to precise torque
• Also provide high forces used to release large or stucked nuts and bolts

Specification: