Topcon RL-H4C Rotary Laser Level is the best choice for the professional contractor who wants to make the extra investment to get the best performance in terms of range, accuracy, durability, battery life, and warranty.
Since the Topcon laser level has a higher IP Rating and longer warranty than most every other rotary laser level, it is likely to last longer, meaning an extra investment up front might actually save you money in the long run.
Topcon RL-H4C is considered the best rotary laser level on the market.
This is the self-level laser including both the vertical and horizontal level diode and cross line diode system and can also be used as both automatic and manual.
Bosch GLL2-40 was first released on January 28th, 2011. Since its first availability, it has been considered one of the best user-friendly tools for aligning, leveling and scaling in the construction industry.