The DEWALT DCS397 FlexVolt XR Alligator Saw is fitted with a durable high power brushless motor for the toughest applications Its two saw blades NO blades with bare unit version run in opposite directions so the material will not move while cutting Aluminium gearcase housing for lower weight and excellent durability that is also dust sealed along with the bearings for increased durability Ideal for cutting Class 12 clay block Poroton Specification Strokes at No Load 2400min Stoke Length 40mm Blade Length 430mm Blade Stop 02 Seconds Weight Without Battery 56kg