General description 8PCS PS2 Handle Adapter Controller Board designed for use in robot smart cars, facilitating the connection for PS2 controller receivers. Technical specifications Diameter of screw hole: 3.2mm Size: 44mm x 11.5mm x 21mm Color: Black Material: Plastic Measurement allowed error: +/- 1-3 cm Usage To use, connect the PS2 controller receiver to the adapter board. For detailed instructions, visit: How to use. Other information Package Contents: 8 x Handle Adapter Plate Without. Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product.