Contour #20 Dial-Angle Flange Level No. 3001891 (0721-0017)
A versatile tool that can be used as a dial degree utility level or, with attachments, for two-holding flange alignment.
Constructed of cast aluminum with a protective housing containing an adjustable DSL.
Fitted with a threaded, self-aligning conical spacer and conical nut and bolt units for fastening the Level to a pipe flange.
One of the nut and bold units is stationary, while the other slides up to 5-1/2 in along a slot in the level to accommodate various flange bolt hold spacings from 2 to 5-1/2 inches.