Dura-Block Air Force Straight Line Sander, AF197T

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Product Overview:

Dura-Block Air Force Professional Series Straight Line Sander (AF197T) is designed for working large areas that require extra flat finishes such as hoods, trunk lids, doors, car tops, fiberglass boat refinishing and wood working. 

The AF197T sander features dual piston action for dependable power and contoured handle minimizes operator fatigue.

Backup pad is flat face and 2.75" x 15.75" size with clip ends; for use with 2.75" x 16.5" sized PSA sandpaper or 2.75" wide PSA sandpaper rolls and cut to suit.


  • Pad Size: 2.75" x 15.75"
  • Pressure: 90 PSI (6.2 bar)
  • Free Speed: 2100 SPM
  • Air Inlet: 1/4" NPT
  • Air Consumption: 5.5 CFM
  • Weight : 5.5 LBS
  • Warranty: manufacturers 1 year limited warranty


Use with 2.75" x 16.5" sized PSA sand paper or 2.75" wide PSA sand paper rolls cut to suit. Do not use with cloth back abrasives.

Air Supply:

An air compressor of at least one horsepower with 7.5 CFM delivery at 90 psig (6.2 bar), with an air tank with a minimum of 12 gallons capacity is required.


Many times air tools that are believed to be defective or performing poorly are often found to be only dirty. Because these tools use air to operate, they also have a tendency to accumulate moisture, dust and dirt inside the tool motor. Usually cleaning and oiling with a proper solvent is all that is necessary to bring the tool back to near original performance. Daily before using, uncouple air hose and pour a liberal quantity of gum solvent oil (WD40 is recommended) into the air inlet. Connect air hose and run briefly to clean internal gum deposits and clean the air motor. Use SAE 10 non-detergent oil, marvel air tool oil or equivalent for normal lubrication.