Magswitch MagSquare 165 shop apron Effortless Precision: Insert the KM

Effortless Precision: Insert the KM Jig Square into your sled's kerf and watch as it effortlessly ensures squareness

but I find it chips easily and has pretty jagged edges

Even though it’s sized for children

fiberglass

simplicity

Magswitch MagSquare 165 shop apron Effortless Precision: Insert the KMJonathans Hot Take: A super strong magnetic square. The most versatile workholding and fixturing tool ever. Align and secure flat or round pieces of steel to fabricate angles. Pull corners, secure steel for cutting, use as a guide, make your own fixtures and more. Turn the knob on and off to control 150 pounds of magnetic holding force. Magnetic field turns completely on and off mechanically Does not use an electrical power source Holds flat and round