The COREFX Advanced Toner is uniquely designed to get you the results you demand. Each toner is engineered to withstand even the most intense training session. Its durable design features a premium rubber core and ultra-strong safety sleeve. The advanced technologies powering every COREFX product ensure you get the most versatile and hardcore training equipment on the market. Get COREFX and experience Strength From Within. • Features a red polypropylene covering for extreme protection of the premium-grade resistance tubing core. • Industrial strength plastic handles giving you the best resistance tubing for safety, durability and function. • Unique coloured junction point allows for easy resistance identification in both 4’ and 6’ lengths.