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angle ruler
Rust Proof
Focusing: Coaxial Coarse & Fine Adjustment Range
Poster paper rolls face in and are more user-friendly
A pin can be easily pressed with the use of the hand only
Ticker Tape Timer w/ Paper Tape Holder Planets angle rulerTicker Tape Timer w Paper Tape Holder Premium Quality: This Product is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design, please contact us.
