Features 1. The cutting machine is backed by ABS plastic, lightweight and stable. Woodworking modification, cutting board positioning, artifact base accessories 2. The cutting machine is mountain mounted, lightweight and portable, suitable for 4-inch dusty cutting machines 3. Suitable for 4-inch dusty cutting machines, with adjustable distance from the mountain edge. 4. The installation and adjustment are simple, with a bi-directional reverse buckle that is not easily displaced. The top reverse buckle design is tightly attached to the cutting machine base. Adjustable reverse lock, suitable for different models. 5. material: Made of high-quality ABS plastic material, lightweight and easy to carry. Note: Suitable for 4-inch dusty cutting machines/marble machines, compatible with 5-6 inch dusty cutting machines of some product models, and can lock the 145mm-208mm cutting machine base on the mountain. Specification Material: ABS Color: Multicolor Size: 29 x 4 x 1 cm Weight: 170 g Package Include: 1xCutting machine backrest