Lapmaster 18" Option:Variable Speed This is a polished specimen

This is a polished specimen featuring pale blue-grey

Chalcopyrite is a copper iron sulfide

This polished specimen has a waxy outer exterior in yellow

This model is a great choice for small tumbling needs in a larger quantity

Lapmaster 18" Option:Variable Speed This is a polished specimenPickup Options Available: email warehouse@thegemshop. com Shipping: $300 $900, varying by destination. new inventory arriving September 2026 Click to Download Full Machine Dimensions The main lap is constructed from high quality steel, providing top of the line stability to eliminate vibration, for smooth and excellent results. 18 main lap suitable for magnetic grinding laps. Electricity: 110V 60Hz Motor: 0,75 kW variable speed 500rpm to 1500 rpm