
Support high quality closed bearings, high strength and long service life. The clamping range is adjustable from 4mm to 83mm for drilling holes of different sizes. Easy to use, can be used to drill holes in the surface of ceramic tiles, glass or marble. Thick engineering plastic, premium quality, wear-resistant and durable. The rubber suction base can be attached to the smooth surface easily and with strong holding force, so that the drilling guide will not move and your work runs smoothly. Description: This drilling jig is mainly made of premium plastic and bearings, which is sturdy and durable. It is easy to use and with suction cup to attach to the surface of ceramic tiles. Adjustable clamping area from 4mm to 83mm allows for drilling holes of different sizes on the surface of ceramic, glass or marble tiles.Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object