For a quick but impressively accurate level check, opt for this Stabila Magnetic Pocket Level Pro with Holster (11901). Great for all trades, it boasts a 0.057-degree measurement accuracy (in normal position). It's conveniently small and easy to wear on your work belt.
Great for all trades
Small and easy to wear on belt
Designed for quick level check
0.057-degree measurement accuracy (in normal position)
Offered in a version with rare earth V-Groove magnetic