Milescraft CircleGuideKit Cutting Tools The Square D by Schneider The Square D by Schneider Electric Homeline 20 Amp One Pole Combination Arc Fault Circuit Interrupting (CAFCI) Circuit Breaker is for use to help protect your wires from arcing faults and is intended for overload and short circuits protection of your electrical system Item Weight 244 Frame Type Frameless Glass Finish Clear Product Weight (lb with an easy readout window for setting the diameter of both your inside and outside circle cuts Bonus offset base 12 In offset base provides added stability when finishing the edges on your work piece using your router Equipped with patented turn lock technology allows for fast tool free guide bushing and router attachment exchanges with an easy readout window for setting the diameter of both your inside and outside circle cuts Large circle jig for cutting circles from 12 1 2 In to 52 In and has built in imperial and metric scales