Perfect for timber framing and log home building Extremely portable at only 37.4 lbs. Cuts lap joints up to 5-1/8" Large adjustable vise for attaching firmly onto logs 3-1/8" to 12-1/8" thick Sliding rear clamp adjustable to desired width with a quick adjust tension knob Clamp tension lever for a firm hold on log Plunge depth adjustment in 1/8" increments Cutting line indication plate Adjust knob for re-adjusting position of chain across the log Quick horizontal chain lever for widening holes Chain tension adjustment cover with snap action Professional 12 AMP motor Razor sharp chain to quickly notch or cut holes Durable plastic boot protects twin steel rails Externally accessible carbon brushes for easy serviceability Built-in carrying handle for ease of transportation.