MKM Tools HR05 Bubbles Design Hand Roller Brushes Cobalt Oxide is a metallic

Cobalt Oxide is a metallic coloring oxide that produces blue colors in glazes and is stable at all firing temperatures (unless in very high percentages where it will be black)

Not good for use in underglaze colours

Overall length: 20 inches

This product functions in the same way as a regular Lid Master but allows you to work with larger pots up to 20 inches or 50

The original Barnard Blackbird Clay Mine is now closed

MKM Tools HR05 Bubbles Design Hand Roller Brushes Cobalt Oxide is a metallicHR HandRollers are deeply carved, have unique designs, and release well from clay and any soft medium. MKM rollers are made from wood that is precision carved to make deep beautiful impressions. The rollers are also beveled carved, allowing them to release easily from clay. You simply roll the HR roller with your hand across the clay or up the wall of a pot to create a beautiful pattern. Because of their smaller size and light weight, HR rollers are