150mmx 1/2" Phenolic Star Cab Grooved Polishing Grinding Laps

The 150mm x 1/2" Phenolic Star Cab Polishing Grinding Laps is engineered for fast and precise cabochon shaping and pre-polishing. Made from durable phenolic  material, its grooved star pattern allows for better grit distribution, faster material  removal, and consistent polishing across curved surfaces. Ideal for hard and semi-hard gemstones , including quartz, sapphire, ruby, and garnet. Compatible with most lapidary flat laps and machines, this lap provides a smooth finish while reducing heat buildup and wear.

Key Features:

• Diameter: 150mm

• Thickness: 1/2"

• Phenolic backing for durability and precision

• Star grooved design for fast material removal and effective pre-polishing 

• Suitable for a wide range of gemstones

Applications:

• shaping and pre-polishing cabochons

• Refining curves and rounded surfaces

• Lapidary professionals and hobbyists gem cutters.