TROY VTX 8 sided rubber encased dumbbells are perfect for home use or light institutional setting. These dumbbells will help reduce noise and protect flooring and equipment. Built with all steel chrome contoured handles, VTX rubber encased dumbbells are built to last.*Disclaimer – VTX SD-R dumbbells are not recommended for use with saddle racks. Use of the VTX SD-R dumbbell in conjunction with saddle racks will void the warranty.