This Ryobi circular saw is a powerful tool with a 7 1/4 inch blade diameter, corded electric power source, and a right blade location. It comes with a laser for precise cutting and is model CSB141LZ. The set includes one saw with no batteries included. This circular saw from Ryobi is perfect for all your cutting needs. It has a durable build and can handle tough jobs with ease. The model CSB141LZ comes with a laser guide for accurate cuts every time. Get the job done right with this reliable saw.