Auger Screws (2)Products Replacement auger screws to secure Cartell sensor pucks in the ground. Related Add-ons CW-CON Wireless Driveway System $484.00 Add to cart Sensor “Puck” CW-SEN $313.00 Add to cart CR123A Batteries (2) CW-BBC $17.00 Add to cart CW-BOX Sensor Cover $71.00 Add to cart