Easily makes perfect circles, ellipses or oblong circles on any irregular flat or round surface
Features a protractor with sliding rods and an adjustable lever to lock in the specified layout
Strong, 20-lb pull magnetic base holds the projector in position during layout
Durable web strap (included) holds the unit secure on non-magnetic surfaces and can be used on either side of the vertical column
Lay out lateral intersections of different diameter pipes, or to project circles from 1-1/2" to 18" diameter on flat surfaces intersecting at angles from 0° to 70° from vertical
Attachments to develop larger diameter circles are available
Includes: Soapstone crayon and also works with chalk, pencil or steel scribe