DMT 4 in. Diamond Whetstone Fine Knife Sharpener Red, N/A

Amazon

Sharpens knives faster than conventional stones with DMT's monocrystalline diamond surface Durable construction will provide years of consistent performance and reliable service Made in the USA

Radwell UK

FINE GRADE, DIAMOND WHETSTONE SHARPENER 25 MICRON, DIAMOND AREA 4.3" LONG X 7/8" WIDE (MOQ=1, PKG QTY=1)