Aerocom Specialty Fittings > Products > Industrial Hose Products > Air Hoses Part Number: Jackhammer – Smooth Yellow cut and abrasion resistant rubber cover with oil mist resistant synthetic rubber tube. Part Number: Steelflex Air – Yellow cut and abrasion resistant cover with red stripe. Tube is oil resistant synthetic rubber. Part Number: Contractors Air – Yellow cut and abrasion resistant rubber cover with oil mist resistant synthetic rubber tube. Part Number: Super Service Air – Yellow cut and abrasion resistant cover with blue stripe. Tube is oil resistant synthetic rubber.