Brand new heavy-duty 56-frame electric motor adjustable slide base universal mounting plate. This unique design allows you to mount a 56-frame motor to any flat surface without a existing mounting surface or if the surface has mounting slots for a different frame size you can adapt the 56 frame with this mount. Once the mounting plate is secure it will give you the ability to easily adjust the motor position to tighten belts or drive chain with the easy-to-use tension bolts on the end of the plate. Once it is in the correct position you tighten the main motor mount bolts and it is ready for use. Specifications: You will receive one 56 Frame Mounting Plate as shown Solid Steel Construction Painted with oven baked primer for corrosion resistance. Fully Adjustable Universal Mount Bolt Pattern Dimensions: 2.96" x 4.85" (Center to Center)