This heavy duty punch bag floor anchor is designed to stay in place and reduce swing without the need for being drilled into the floor. Made to be super convenient for boxers and boxing trainers on the go, this punch bag floor weight can be easily filled with sand or any material of your choice and is portable for using anywhere. A high quality punching bag stabilizer compatible with all RDX® tethered loop models. Unbeatable solidity to withstand every kick and the most ruthless of punches. Measures 45cm wide and comes unfilled.