The perfect saw for construction sites the dwe397 alligator saw with it39s 430mm 39class 1239 tct blades that operate in tandem in opposite directions for excellent accuracy and control is manufactured to slice through class 12 clay blocks with ease precision safety and with minimum effort and fuss required from the user ergonomically designed powerful and lightweight the dwe397 is easily capable of handling heavy duty work all day long if needed with it39s aluminium gearin