Category: Radial Arm Trimmer (RAT)

Radial Arm Trimmer (RAT)

The Whirlygig Radial Arm Trimmer (RAT) was designed specifically to pair with the Riser Form and enables for seamless installation resulting in a size accurate finished product that matches the adjacent road surface without the need for shimming or other adjustments.

manhole riser radial arm trimmer

Manhole Riser

Radial Arm Trimmer (RAT)

ACCESSORIES (Included with Radial Arm Trimmer)
  • Router Bits (Bosch-85146)
  • Adjustment wrenches
  • Tape measure
  • Pneumatic Oil / WD-40 / Teflon Tape
  • The Whirlygig RAT utilizes a pneumatic Die Grinder to do the trimming.  It requires an air compressor rated at 90psi with a 20-gallon air tank minimum.  Air compressor is not included with the Whirlygig RAT.