The Dual Scale 12"/31cm acrylic radiopaque ruler is marked with 1/10th inch graduations on the top and 1 mm graduations on the bottom. Supertech®opaque rulers are lead-free and are safe for skin contact. We offer radiopaque acrylic rulers from 50mm to 156cm also a NIST certified line.
Acrylic radiopaque ruler is 3mm thick x 28mm tall and lead-free.
Supertech recommends cleaning radiopaque acrylic rulers with soap and water, to sterilize use EtO when needed. Do not use harsh chemicals, do not autoclave or steam clean.