The unique Magswitch Dual Roller support is the ultimate third hand when you are doing the most difficult and dangerous work. It helps support a tall panel; hold down a long piece of wood and steady your resaw projects. You will find a use on every cast-iron tool in your shop! Designed for use with Magswitch universal mounting base.Fast; precise set up on all steel or cast-iron tools. Precision sealed roller bearings. Smooth non-marring flow of material. Holds material against fence for firm control of tall work pieces. Dimensions: 218(L) x 112(W) x 26mm thick. Weight: 610g. NOTE - Universal base shown in picture not included - must be purchased separately.