Engineering360 News6 年
Protractors and Angle Gages Specifications
Protractor Head Protractor heads are an attachment or an optional part of a combination square set. The protractor head slides onto the steel rule and provides a tool for angular measurement or ...
Engineering360 News6 年
Protractors and Angle Gages Information
Protractor heads are an attachment or an optional part of a combination square set. The protractor head slides onto the steel rule and provides a tool for angular measurement or transfer. Rectangular ...