7 1/4 In. Worm Drive with Magnesium Housing which is 2lbs. lighter. Precision Worm Drive Gears for maximum power and durability. Push button blade lock for easy blade changes. 13 Amps. Comes equipped with blade wrench, 7 1/4 In. 40T Combination Blade, & Bag. Light magnesium housing (2 lbs. lighter) with 7 1/4 in. blade Precision-machined worm drive gears Oil indicator level and relief bellows Push button blade lock 22 amp switch and heavy gauge cord MFG Brand Name : Skil