Holley 126-73-10 73 Jet Replaceable Air Bleeds - Pack of 10 072053780147 There are four different grits

There are four different grits giving you everything you need to tumble stones

About Robelle Industries Since 1973 Robelle Industries has been providing superior

Unique extreme pressure lube dissolves in oil without clogging oil passageways or plugging filters

Genuine Russell Performance product

Holley 126-73-10 73 Jet Replaceable Air Bleeds - Pack of 10 072053780147 There are four different gritsBrand Holley Model HOL 126 73 10 #10 32 UNF thread size Designed for the idle, intermediate and high speed circuits The Holley replaceable air bleed will fit all Holley 4150 and 4500 HP carburetors with screw in air bleeds.