Sands Keyhole Box Levels (24" & 48") mortar router Always at eye level –

Always at eye level – the second plumb vial is offset towards the center

1/4" x 5/16"

32 kg) Length 10 in

Available in 6 combinations/sizes

but I imagine you're here looking at it for a practical use

Sands Keyhole Box Levels (24" & 48") mortar router Always at eye level –Keyhole Box Level The easy to grip keyhole shape provides a firm base for leveling. The wide bottom has a channel to balance on pipes and other rounded surfaces, making it a popular choice in plumbing. An extra large center vial is easy to read. A unique plumb vial feature can be read on the side or from the top, making working on walls and door jambs easy. A total of 3 vials, 1 top reading and 2 plumb vials are accurate to . 005" per inch. Shock