Multipurpose magnetic base that can be turned on and off With measurement pillar Adhesive force (N): 800 Depth (mm): 60 Adhesive surface: Bottom (V-shaped) and rear (concave) Height (mm): 55 Mounting screw hole dimensions: M8 x 1.25 Width (mm): 50 螺丝尺寸:M8 x 1.25