Square Plugs feature a series of externally tapered ribs designed to accommodate a wide range of tubing gauges while also satisfying the fit adjustments on tubing with inside dimensional fluctuations. The exterior ribs are designed to provide a sure grip inside a tube without the unsightly plastic shavings found on many straight wall glide installations.
- Low density polyethylene
- Not subject to rust or corrosion
- Feature a series of tapered ribs, a secure fit is ensured