Alvin 929Js Jet-Bow Beam Combination Drawing Set, Price/St
Alvin Jet-Bow Beam Combination Drawing Set - 929JSSet includes 6 speed compass with interchangeable pen, pencil, divider parts, and replaceable needle points. 4.5 bow compass with interchangeable pen, pencil, and divider parts. 6 beam bar and slide coupling for circles up to 28 in diameter and 6 friction divider with self centering gear head and replaceable needle points. Set also includes mechanical lead holder, slip handle for spare ruling pen, lead pointer, center tack, and screwdriver. Packaged in see-through, hard plastic case.