850x290mm 800Grit Diamond Sandpaper Sheet diamond lapidary Concave Cylinder – used for

Concave Cylinder – used for shaping and smoothing cylindrical surfaces

and fabricators who require speed

metal finishing

this Gem  Cutting disc adapts effortlessly to the demands of both coarse shaping and ultra-fine Polishing

it delivers unmatched durability and stability under extreme mechanical stress

850x290mm 800Grit Diamond Sandpaper Sheet diamond lapidary Concave Cylinder – used forFlexible Diamond Sandpaper Sheet is engineered for professionals demanding accuracy, flexibility, and long lasting performance. Made with a flexible backing and embedded with premium grade diamond abrasives, it conforms easily to curves, contours, and tight spaces. Whether you're polishing stone, glass, ceramics, hard metals, or exotic hardwoods like ebony, this sheet delivers consistent material removal and a smooth finish. Ideal for lapidary work,