Handheld layout and marking tool
Handle for a drafting instrument
Hanger tool to facilitate centering and hanging of a component
Head of universal parallel ruler
Head supporting device for universal parallel ruler
Head supporting device for universal parallel ruler
Heading and distance measuring device and method
Hinged measuring and marking device
Holding and guiding device for traveling-carriage drafting machi
Household tile cutting gauge
Illuminated drafting aid
Illuminated evidence marker
Illuminated ruler
Impact-absorbing end caps for levels
Impact-absorbing end caps for levels
Incremental marked framing lumber product and method
Indicia alignment device
Infinite square
Instant angle gauge
Instrument for obtaining a reference line