If you are looking for an actual cutting expert, Ronix4221 Reciprocating Saw will be at your service! Using this reciprocating saw, you can benefit from its powerful, high-performance brushless motor that can deliver 3000 RPM for greater speed and faster cuts. It has a 705W robust motor that has a variable speed for cutting various materials. You can use 4221 with a cutting capacity in the wood of 115mm, cutting capacity in aluminum of 20mm and cutting capacity in the steel of 10mm. cut everything effortlessly.