The CYCLONE STRAIGHT EDGE WHEELS WHITE RESIN by Diamax are 4" snail lock tools to be used on auto edge machines. These polishing wheels are designed for use on engineered stone, granite, and marble. Use WET only. Use these tools on white and light colored materials without bleeding. Gives an exceptional and superior smooth finish in comparison to epoxy wheels. Suggested parameters: Start at 40 – 60 cm/min. Find suitable speed according to stone material; 40 – 60 cm/min for profile polishing on engineered stone; and Water @ 50 liters/min