Silicon Carbide Silversmiths' Flat Tapered Stone 4" x 5/16" x 3/16"-1/16" Made in the USA 40 and 45 degrees for

40 and 45 degrees for easy measurement of the cutting edge angle of lawn mower blades

Sharpening Supplies Water Stones will need to be flattened periodically

Hose wall: polyester fabric

they are made of the same materials

They feel firm

Silicon Carbide Silversmiths' Flat Tapered Stone 4" x 5/16" x 3/16"-1/16" Made in the USA 40 and 45 degrees forSilicon Carbide Silversmith's Stones Silicon carbide silversmith's stones are ideal for fast material removal. Their abrasive nature makes them perfect for quickly touching up special instruments, cleaning tools and dies, and for honing to close tolerances. Dimensions 4" x 5 16" x 3 16" 1 16" Rectangle, Tapered Available Grits: Fine 280 Grit Medium 180 Grit Coarse 120 Grit