Score Ovals and Circles on any flat or stained glass surface.

Scores circles of 4 1/2" (114mm) up to 21" (533mm)
Scores Ovals from 4 1/2" (114mm) x 5 1/2" (140mm) up to 21" (533mm) x 24" (610mm)
Secured to glass using a suction cup on cutter base
Max glass thickness of 1/4" (6.35mm)
Uses a 134 degree Carbide Wheel
Diameter scale markings in English and metric