Motor mounting plate is mainly used for stepping motor which mainly plays a fixing role. Mounting bracket is a good accessory for 3D printer and is widely used. Easy to install and operate is a good replacement; Small size and lightweight; Aluminum alloy materials durable and long service life. Steps of installation: 1. Select motor mounting plate of appropriate size; 2. Remove the motor mounting plate to be replaced; 3. Installation. Please select the appropriate size of the motor mounting plate especially the diameter mounting hole diameter and mounting hole center distance. Motor Mounting Bracket is in size of : 24.5mm/0.96-inch dia 60mm x 42mm x 4mm/2.36-inch x 1.65-inch x 0.16-inch(L*W*T) 5mm x 6mm/0.2-inch x 0.24-inch(Mounting hole L*W) 25mm/1-inch mounting hole center distance