The CMT 552-GUIDE is a drill guide with suction cups for accurate positioning when drilling hard tiles and stones with CMT 552 diamond dry hole saws. The 7-hole guide allows 7 different hole sizes to be pre-positioned accurately on smooth surfaces.SPECIFICATIONS Type Drill Guide with Suction Cups Holes 7 hole sizes Compatible With CMT 552 Diamond Dry Hole Saws Country of Origin Made in Italy COMPATIBLE MACHINESUse with CMT 552 Diamond Dry Hole SawsAPPLICATIONSAccurate Hole Positioning on Hard Tiles and StonesCOMPATIBLE MATERIALS Hard Tiles Hard Stones Smooth Surfaces KEY FEATURES Suction Cup Mounting Attaches to smooth tile and stone surfaces without adhesive for precise, slip-free hole positioning. 7 Hole Guide Accommodates 7 different CMT 552 hole saw sizes for versatile positioning. All images are provided to us by the manufacturer for illustrative purposes only. Please see item description for specifications.