so this is the new lawnmower 4.0 Pro and this is the wall 3in1 shaver and this is one of the premium razors that I personally like to use on a regular basis now one of the first things that we have to talk about between these two razors is just going to be the overall ergonomics now the LM 4.0 Pro now this razor is comfortable and is very lightweight but this razor weighs in at 123 G where as the wall 3 in one weighs in at 218 G and just having this razor in your hand it's added weight its overall density it just feels a lot more premium than the lawnmower 4.0 Pro but also with the wall 3in one razor this razor