Right angle measuring device
Right perspective drawing tool
Roll tape measure
Roll tape measure
Roll volume indicator
Rollable beam measurement apparatus
Rolled sheet material having releasable anti-tack guide strip
Rolling electronic length measuring device
Rolling electronic length measuring device
Rolling electronic length measuring device
Roofing layout tape and method of use
Rotary movement converting mechanism and measuring instrument
Rotation angle detecting apparatus and its rotary disc
Rotation detecting apparatus
Rule assembly with hook bend protection
Rule assembly with improved blade hook
Rule assembly with increased blade standout
Rule assembly with increased blade standout
Rule assembly with increased blade standout
Rule assembly with increased standout