This versatile tip works with a 3

available in a convenient box of 375 pieces

520 Swivel-Lock Stretcher is recommended when stretching Berber carpets

the tool comes with an anti-friction boot to prevent it from scratching

Crain 502 Steel Extension Tube Section Cotton Grip Head for 520 Stretcher This versatile tip works withExtension Tube Section can add up to 4 feet 8 inches of length to your stretcher in 4 inch increments. The holes of the tubes are punched rather than drilled for precision and durability. The spring buttons are flat on their top faces for smooth adjustment. The buttons are precisely located within the inner tube so that they retain hold the outer tube on the inner tube during transport. Works with other standard size diameter poles. Closed length: 2