The Vitrex 10 2772 Diamond Tile Drill Self Adhesive Kit System offers both the necessary lubrication to extend the life of the drill bit and secure positioning for quick and accurate drilling. Includes water delivery and collection cups for clean drilling and effective cooling for the drilling surface. Use for drilling holes to install shower heads or large pipe work. Suitable for all hard tile types. Bit size: 35mm. Contents: 1 x Drill Guide.1 x Diamond Drill.1 x Set of Adhesive Pads.