NEW! 1/8″ Aluminum Replacement Wheel for 640-4 & 640-5 Backer Rod Insertion Tools


Wheel Width: 1/8 in
Wheel Type: Aluminum


Weight 0.1 lbs
Dimensions 5.5 × 2.5 × 1 in

Ships Next Business Day


Road, Standard

Wheel Type


Wheel Width

1/8 in

Special Applications

Saw Cut Joints

  • 1/8″ wide (0.08″) x 2-1/2″ diameter aluminum wheel
  • NOTE: The 1/8″ wheel is actually undersized at 0.08″ wide to fit in a 1/8″ saw cut joint)
  • Durable, Aluminum wheel for Backer Rod Insertion Tools: 640-4 Road Model or 640-5 Standard Model (sold separately)
  • Excellent wear resistance when working on rough surfaces
  • Quickly sets backer rod up to 1″ deep in saw cut joints
  • For setting rod deeper up to 2″, use replacement wheel 640-G20.
  • Additional sizes available:
  •  Also available in Standard Plastic


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