Grizzly G1079R Drum Sander with Rubber Conveyor, 16-Inch We've taken the great features of our best selling G1066 24-Inch Drum Sander and downsized them to create our Model G1079R 16-Inch Drum Sander The Model G1079R features a high output 2 HP TEFC drum motor capable of turning two 6-Inch drums at 2100 surface feet per minute A 1/4 HP single-phase motor powers the sander's chain-drive conveyor mechanism