3 mm Punch Tool – Black Thumb – for Poly Tubing

3 mm Punch Tool – Black Thumb – for Poly Tubing

4 mm Punch Tool – Blue Handle – for Poly Tubing

$7.09

4 mm twist punch with blue handle — creates a clean 4 mm hole in poly tubing for installing 1/4" barb fittings. Push down on poly hose, give a twist, and the hole is ready for 1/4" barbed fittings. Works best when tubing is cooler than 80°F.

Hole Size4 mm
Compatible Fittings1/4" barb fittings
Handle ColorBlue Handle
Availability: In stock
SKU
RKP4
Ships Same Day
All orders placed by 12 PM local warehouse time will ship the same day. Some exclusions apply. Delivery time may increase if item isn't available in closest warehouse.
Delivery time: 2-4 business days

RKP4 – 4 mm Punch Tool, Blue Handle

The RKP4 is a 4 mm punch tool for creating clean holes in poly tubing to install 1/4" barb fittings. Simple to use — push down on poly hose, give a twist, and the hole is ready for 1/4" barbed fittings.

Key Features & Benefits

  • 4 mm hole — sized for 1/4" barb fittings
  • Easy to use — no special skills or setup required
  • Tip: Works best when tubing is cooler than 80°F; cold tubing punches cleanly while warm tubing may stretch
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