Item Number: H20-3520TL Have a question about this item?
Sturdy plastic hexagon-shaped roller marks line increments of 3mm, 5mm, 7mm, 10mm, 15mm and 20mm in clay. Works ideally with clay. Set includes a 6-inch stainless steel ruler that measures both inches and centimeters/millimeters. Ruler and roller packaged in a black/clear plastic case.