Jackson Safety #20 Dual-Angle Flange Level (14786), Aluminum, Up to 24 Inches Radius, 1 Unit/ Order 1 Jackson Safety #20 Dual-Angle Flange Level / Order Made of lightweight cast aluminum, non-magnetic, can be used on PVC pipe Contains an adjustable DSL in protective housing (protects from weld splatter and breakage) Fitted with self-aligning conical spacer and conical nut and bolt units One stationary nut / bolt, other slides up to 5.5 inches