• Speed code disk material: PVC
• Motor Encoder Smart Robot Car Chassis Speed Encoder
• Speed Measurement Counting Code Wheel 20 Lattice DIY for Arduino

Package includes

• 20 line speed encoder (non-ordinary six-lane ten-wire) – 4
• Fasteners/T stand – 8
• 8mm M3 Screw – 16
• 30mm M3 Screw – 8
• M3 Nut – 8
• L30 Spacer – 6