• Measures clearance between brake drums and shoes with diameters
  from 6-1/2” to 15-3/4” (165mm to 400mm).
• Works on most small cars with drum brakes prior to assembly.
• Outside calipers transfer measurement to brake shoes.
• Inside calipers measure drum diameter.
• Calibrated in inches and mini-meters.

• Measures clearance between brake drums and shoes with diameters
  from 6-1/2” to 15-3/4” (165mm to 400mm).
• Works on most small cars with drum brakes prior to assembly.
• Outside calipers transfer measurement to brake shoes.
• Inside calipers measure drum diameter.
• Calibrated in inches and mini-meters.