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Boron Nitride Honing Stone - Harder than Diamond - 4 x 2 x .5 Inches, US $184 – Picture 0
Boron Nitride Honing Stone - Harder than Diamond - 4 x 2 x .5 Inches, US $184 – Picture 0

Boron Nitride Honing Stone - Harder Than Diamond - 4 X 2 X .5 Inches

US $184

  • Astoria, New York, United States
  • Jun 2nd
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BORAZON - Boron Nitride - HARDER THAN DIAMONDS Honing Stone 4 x 2 x .5 Inches. This material is Superb for honing drill bits, sharpening saws and knives, and finishing hard metal alloys with ease. It is a large piece of Borazon that will last many years if properly handled and used. Actual Material is Jet Black and sealed under plastic so instead displaying actual stone we supplied a drawing to demonstrate size more accurately. The price is very low for this rare Ceramic Material that was pioneered by GE in 1957 as the FIRST MATERIAL found to be HARDER THAN DIAMONDS !!! Shipping to the 50 states is $12.95 Priority Mail Insured and to all worldwide locations is $18.95 by First Class Mail with NO TRACKING or INSURANCE. For tracking and insurance foreign orders shipping is $38.50 for up to 4 piece order. You must have at least 5 recent feedbacks to purchase this material if purchasing from outside of the U.S. otherwise your order will be cancelled and your payment refunded. THIS IS A FINAL SALE ITEM and there are NO RETURNS on honing stones. All stones are 100% NEW and composition is 100% Boron Nitride in a high temperature binder material undisclosed by manufacturer from Asia. No further information regarding these honing stones is available or provided. GREAT VALUE !!!

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