Professor Foam Drill Bits compatible w/ 6 ea 246627 246629 for Graco AR4242 Chamber Air Contains 2 replacement o-rings of

Contains 2 replacement o-rings of standard Buna material and 2 single use silicone grease for o-ring protection

chlorinated hydrocarbons (trichlorethylene)

O-RIng Depot screw compatible with Paslode 900594 S

Also available in 90 Durometer Viton/FKM-Nitrox

Includes o-rings and cylinder seal 402011

Professor Foam Drill Bits compatible w/ 6 ea 246627 246629 for Graco AR4242 Chamber Air Contains 2 replacement o-rings ofBlack Oxide drills are often preferred to avoid overdrilling a mixing chamber and making it useless as black oxide bits will break before the mixing chamber is overdrilled. Cheaper to lose a bit than a mixing chamber. Includes 6 sets for a total of 12 pieces. Set of 12 with 24 total drill bits also available.