1. Finish: Bright zinc plating. 2. Swivel: Double ball bearing with hardened raceways for extra strength. 3. Construction: Heavy duty gauge steel formed for extra strength. 4. Axle: 5/16" dia. bolt with lock nut. 5. Brake:Side Brake and Top Lock Brake available. 6. Applicator: Fits a wide range of tubing from 7/8"I.D. to 1-7/8"I.D., round or square.
Please specify exact tubing I.D. and gauge.