4 1/8" (105mm) Flex-Hone Cylinder Hone 320 grit silicon carbide
DIYables RC 2WD Car Chassis Kit with Motor Speed Encoder for Arduino, ESP32, ESP8266, Raspberry Pi
Professional Shock-Absorbing Smart Metal Robot Tank Car Chassis Kit for Arduino/Raspberry, Tracked Suspension Absorption Vehicle, Remote Control Track Crawler Damping Vibration Caterpillar
Yahboom 4WD Smart Chassis Car Kit with Aluminum Alloy Chassis,520 Encoder Motor,65mm Wheels,Robotic Moving Platform (Black, Unassembled) with Battery
4WD Omni-Directinal Smart Robot Car Chassis with 96mm Mecanum Wheel & DC Motors, RC Aluminum Alloy Frame DIY Steam Platform for Raspberry Pie ROS Python Arduino Uno R3 Ai Coding Program Learning
Professional Smart 4WD Metal Robot Car Chassis Kit with 97mm Mecanum Wheels, DIY RC Robotic Moving Platform,for AGV, School Eduactional Science Kits, Remote Control Robotic STEAM Model Experiment
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Tank Car Chassis with DC Geared Motor, Shock Absorbing Robot Chassis Full-Metal Robotic Moving Platform Track for Arduino RaspberryPi Microb Jetson DIY Maker Smart Robot Car Learning Kit (Black)