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| Alvin Parallel Glider 10 in. glider |
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| Easy-to-use instrument combining the functions of a T-square, triangle, transparent straightedge and protractor in drafting and drawing applications. Gliders roll easily to make parallel lines but won't turn under slight accidental pressure. Features durable clear acrylic with die-sunk graduations. Ruling edge in inches (reading to 16ths). Eluxite satin finish aluminum grip bar and non-slip knurled rollers with non-skid O-rings for smoother operation. Packaged with complete instructions. |
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