Kraft Tool Co.® GG619 18" Standard Spike Roller without Frame. Roll out the air bubbles in epoxy coatings and self-leveling material to leave the perfect finish. The Spiked Roller features 1-1/4" long spikes. The 18" durable nylon roller fits on most roller frames. Choose a wider frame that will provide clearance from the spikes from hitting in the frame. The Kraft Tool 18" Roller Frame (DW178) is recommended. Roller only.