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MAINSPRING LUBRICANT

RECOMMEDED BY CRAFTSMEN FOR OVER 40 YEARS

lube1.jpgKeystone Mainspring Lubricant will last longer and perform better than any other product for the demanding requirements of clock and instrument mainsprings.   Keystone's outstanding film strength will allow smooth power for years without binding, rusting, or galling.  It stays where it is put!  Keystone lubricants contain NO graphite, moly, or sulphur to contaminate movements.

"The best mainspring lube is Keystone's KV medium," say Jesse Coleman, one of America's most respected clockmakers, authors and lecturers. (Ref. "The Best of J.E. Coleman: Clockmaker, Page 263)

EXTREME PRESSURES...
Keystone Mainspring Lubricant has been tested to withstand presures of over 300,000 lbs. per square inch by Gardner-Denver.  A microscopic film of this extraordinary lubricant will separate the coils of metal so that full power is distributed smoothly and completely.

ANTI-RUST...
Keystone Mainspring Lubricant prohibits rust by actually displacing moisture caused by insufficient dyring or high humidity conditions.

OXIDATION INHIBITOR...
Keystone Mainspring Lubricant retains its body and lubricity longer and prohibits oxidation longer than any other lubricant.

HIGH TACKINESS...
keystone mainspring Lubricant will cling to metal and won't wipe off under the rigouous motion and tremendous pressure of winding and unwinding. IT STAYS PUT!

AVAILABLE IN TWO GRADES...
MEDUM - Most popular grade forAmerican 8 day, 400 day, and most springs.
LIGHT - Excellent for english, french, alarm, pocket watch, and all delicate mainsprings.

PROFESSIONALS ALSO USE AND RECOMMEND THESE FIND KEYSTONE LUBRICANTS ...
KEYSTONE CLOCK PIVOT OIL...
The same fine qualities as the KEYSTONE MAINSPRING LUBRICANT.   Recommended for use on all clock pivots.
KEYSTONE XL LUBE ...
A light amber grease with outstanding lubricity.  Excellent for use on all clicks, ratchets, cams, and lifting mechanisms.



                                              

                                               

 

 

 

 

 

 

 

 

Mile Hi Clock Supplies, Broomfield, Colorado USA*
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