L.S. Starrett Student Combination Squares
4 graduated edgesA rugged, cast iron square head that will outlast cheap plastic and die-cast imitationsAn accurate, hardened and tempered square blade offered in inch, millimeter, and inch and millimeter combinedAn optional center head is available to increase the versatility of this universal measuring toolFor training "youngsters" and apprentices to lay out and check their work more efficientlyReversible lock bolt allows the blade to be turned over or end-for-end so that all four graduated edges may be usedThe combination square can be used as a try square, 45° miter, a depth gage, a height gage, a layout tool, and as a rule