wolfcraft Guide rail FKS 145 I 6913000 I Guide system for circular hand saws - - Amazon.com
Einhell TE-CS Power X-Change 18-Volt Cordless 6-1/2 Inch 4,200-RPM Circular Saw, w/Adjustable Angle + Depth, Saw Blade Included, LED Lamp, Tool Only (Battery and Charger Not Included) - - Amazon.com
Amazon.com: Makita DSS501Z LXT Cordless Circular Saw Body Only with TCT Blade, 18 V, 136 mm : Everything Else
Bosch Professional Gks 18 V-57 G Cordless Circular Saw (Without Battery And Charger) - L-Boxx - - Amazon.com