Professional Spike Roller designed specifically for leveling compound (The common white spike roller is for epoxy coatings). 2 inch professional spikes. 1/2 inch space between spikes. Does not clog up with leveling compound. Super strong everlasting spikes that are easily cleaned. Will not push or pull material creating waves & surface deficiencies. Stirs up segregated leveling compound. Releases tension, dispersing heat and creating more working time with the leveling compound. Spider will act as a leveling tool and flatten the surface when spike rolling through leveling compound from 1/4 up to 1 & 1/2 inches. Spider can easily plow through leveling compound up to 1 & 1/2 inches deep. There’s no other spike roller on the market that will perform for you like the Spider Custom Spike Roller.