Round Screw Plate - 1/4"-20 < $50 The entire unit is constructed

The entire unit is constructed of copper free non-sparking aluminum construction with a glass window for motion detection

C & D Weight: 20

Compatible SpotLights: Any Permanent Mount Antenna of up to 20 lbs

The tower is constructed of square steel tubing with a lower section 9 feet in length and 4 inches in diameter

Round Screw Plate - 1/4"-20 < $50 The entire unit is constructedThis screw plate gives you the ability to attach a 1 4 20 machine screw to [Actobotics](https: www. sparkfun. com pages Actobotics) channels. It has 8 6 32 tapped holes around the edge, and a 1 4 20 tapped hole in the center. It utilizes the 0. 77" hole pattern, so it easily attaches to most Actobotics products. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the