Because the bits are turned out of cobalt steel

COMPATIBLE: Accepts the AS-0168S Milton KWIK-CHANGE® Universal Tip System – Blow Gun Nozzle Set

Oil Piston Pumps PANTHER HP 3:1 Pump

All-steel electrical enclosure - Offers a stronger

The Mityvac MV4560 Cooling System Pressure Test Kit makes automotive cooling system testing simple

Coxreels EN Series ENH-N-125 Inflator Gauge Because the bits are turnedCoxreels EN Series ENH N 125 Coxreels EN Series "Enclosed" spring driven hose reels shields out the elements to protect and extend the life of the reel with a powder coated steel casing protecting, the hose and the components inside. It adds a neat, tidy, aesthetic appearance to work environments that require a clean and professional look. The 3 piece casing is simple to assemble and disassemble for trouble free installation and maintenance.