About this item
- Cordless Knot Filler gun. Fix knots, cracks and corners anywhere on the job with no cord in the way.
- Runs on the 18V battery you already own, through the matching adapter.
- Heats up in about five minutes and holds a steady melt temperature.
- Melts the full range of 12 mm Knot Filler sticks.
- Lightweight and balanced for all-day repair work.
Specifications
| Type | Cordless, battery powered |
|---|---|
| Battery | Your own 18V, via adapter (not included) |
| Adapters | DeWalt, Makita, Milwaukee, Bosch, Ryobi (sold separately) |
| Heat-up | About 5 minutes |
| Temperature | 210-410 F (100-210 C), adjustable |
| Auto shut-off | Yes, when idle |
| Sticks | 12 mm Knot Filler |
| Use | Indoor and outdoor |
What's in the kit
- 1x WR 540 PRO Cordless Knot Filler Gun
- User manual
- Battery, adapter and Knot Filler sticks sold separately
How it works
Fill
Melt the filler into the crack.
Cool
Press flat with the cooling brick.
Cut
Shave the excess off flush.
Sand
Sand it smooth.
Finish
Oil, stain or varnish. It vanishes.
Buy the gun once
The gun is a one-time buy. The sticks keep your jobs moving.
Keep the colors you use most on hand and reload between jobs. The next repair is already handled.
View the Knot Filler sticks →




