In my opinion, the best choice for most folks tackling DIY projects is the cross-line green-beam laser level. You don’t get that feeling when staring at a red laser level line. Eric Hagerman There’s no accounting for how much easier to read a green laser level beam is compared to a red one. But it doesn’t feel as robust, and its red laser is a big trade-off. Though, again, it projects a red laser, which is less visible to the human eye.