Combination & Double Squares
Available3 products
Combination and double squares provide a movable head that locks in along a rule to go beyond basic measurement and marking of straight lines and angles. These sliding squares check work for squareness, mark right angles, and lay out perpendicular lines like try squares. They also adjust their rule to make lines parallel to edges, check workpiece and tool alignment, and transfer measurements between materials and machine setups. They are commonly used in machining and woodworking shops.
Graduation Marks
Combination Square Sets
Combination square sets include interchangeable heads for different measurement and marking tasks. Their square head lays out 90° angles with its anvil, lays out 45° angles with its shoulder, and checks level and plumb with its bubble vials. It assists with gauging flatness, aligning tool blades and fences, setting bevel angles on saws and jointers, striking long lines on workpieces, and more. Their other heads perform more specialized functions such as finding center and measuring a large range of angles.
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Double Squares
Double squares have a right-angle reference on each side of their sliding head, so there's no need to turn over the blade or take two sets of measurements. They check and lay out pairs of 90° angles for more precise material alignment and machine setups than combination squares. Common uses include confirming squareness of corners and cut edges, checking alignment of band saw blades, gauging height and depth, and positioning work for assembly and glue-ups.
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