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BTB’s patented adjustable cutting depth control system ensures you can cut with precision and confidence and only cut as deep as required, avoiding unnecessary damage to the pinchweld, blade, mouldings or glass.


  • Controller Arms with the  THIN 1mm wheel are designed to roll smoothly along uneven (in and out) urethane surfaces.
  • Controller Arms with the THICK nylon wheel are  designed to roll along A-pillar trim, soft headliner or vehicle body panel.