Crain - Aluminum Tension Tube - 5'

Aluminum stretcher tubes are lightweight and rust resistant. The 5' aluminum stretcher tube, no. 517 can add up to 8' 8" of length to your stretcher in 4" increments - enough for a variety of parts. Crain's aluminum tubes feature a marker line on the inner tube and outer tube to align the knobs with the holes during length adjustment. These tubes work with other standard diameter tubes. Closed length: 5'. Useful length adjustment range: 5' to 8' 8".

• Lightweight and rust-proof
• Adds up to 8' 8" of length to a stretcher in 4" increments
• Marking line on inner and outer tubes to align buttons with holes during length adjustment
• Works with other standard size tubes