STARRETT 666-21 Thickness Gauge, Feeler Stock in Rolls, 0.021" Thick, Inch Reading with Cardboard Box, 25' (7.6m) X 1/2" (12.7mm) (666-21)

Tempered Steel Thickness Gage or Feeler Stock in Rolls. Starrett 666 Series Thickness Gage or "Feeler" Stock in Rolls. This handy product includes thickness stock, housed in convenient rewindable dispenser rolls. Having the thickness stock in a case makes it very useful for cutting off the required length for adjusting tappets, spark plugs, distributor points, checking bearing clearances and gear play, fitting pistons, rings and pins, gaging narrow slots, etc. This stock is also useful for shimming in fixturing and die work.