Ryobi ZRCSB144LZK 15-Amp 7-1/4 in. Circular Saw Certified Refurbished This Certified Refurbished product is tested & certified by Ryobi to look and work like-new. The product includes all original accessories, and is backed by a 1 Year warranty. Exactline laser alignment system improves cutting accuracy Heavy-duty 15 amp motor for cutting various types of lumber Spindle-lock for easier blade changes