Motor Break-in Fixed Stand - A tool to fully unleash the performance of your motor. For Mini 4WD. New type with improved jig body strength and heat dissipation efficiency! Motor Break-in Fixed Stand Very convenient for motor break-in. Mini 4WD motor setting is very important. Motor break-in fixed stand to fully utilize motor performance. Power can be easily connected to the motor, allowing for efficient work. You can check a simplified version at the following URL: https://youtu.be/CQ1G3s8Af_g?si=1pbp2LXk7OZnUq4D Also, heat dissipation efficiency has been further improved compared to the previous model. The screws, nuts, and washers used for the contact parts of the motor terminals are special items exclusively for electrical conduction (to prevent heating). This is the sale of the main body only; please prepare your own power supply, etc. The usage is very simple. This product is manufactured using a 3D printer. There are no problems with its use, but the color and shape may differ from the image, please understand. If you contact us, we can combine it with other items we have for sale, so feel free to ask. No claims, no returns. "Shimizu Seisaku Shuri Kobo" (Shimizu Manufacturing and Repair Workshop) manufactures various processing jigs for use in Mini 4WD. Please take a look at our other processing jigs as well. #Mini4WD #Flex #Wheels #Lightweight #Response #Rollers