1/2" [Min], 1 7/16" [Max]: Hole Diam. Kit includes a standard magnetic centering head.

Small: Size Group; 11": Span. All are a folding type design, the three smaller models will fit conveniently into a shirt pocket.

1/2" [Min], 1 15/16" [Max]: Hole Diam. All models come with 360° vials that just "snap" in and out for easy replacement.

5/16" [Min], 63/64" [Max]: Hole Diam. Machined from hardened steel for durability and longevity.

5/8" [Min], 3" [Max]: Hole Diam. Machined from hardened steel for durability and longevity.

1/2" [Min], 1 15/16" [Max]: Hole Diam. Machined from hardened steel for durability and longevity.

1/2" [Min], 1 7/16" [Max]: Hole Diam. Machined from hardened steel for durability and longevity.

1/2" [Min], 1 7/16" [Max]: Hole Diam. All models come with 360° vials that just "snap" in and out for easy replacement.

2 3/8": Length; 5/8": Width. Fits in shirt pocket.

9": Length; 5/8": Width. Tradesman who does not need the protractor degree dial.

9": Length; 5/8": Width. Extra strong magnets hold it firmly to any steel surface.

Medium: Size Group; 25": Span. All are a folding type design, the three smaller models will fit conveniently into a shirt pocket.

4": Length [Nom]; 5/8": Width [Nom]. A strong 25 pound pull magnet set in epoxy secures the tape holder to your work.

X-Large: Size Group; 50": Span. All are a folding type design, the three smaller models will fit conveniently into a shirt pocket.