*Wide Adjustable Range: 1 x Double Suction Cups Hole Saw Guide Jig with an adjustable range of 5/32” - 3-1/4” / 4mm - 83mm. The adjustment range of the hole saw guide jig is large enough to fit many sizes of hole saws to suit your needs.

*Quality Preferred: Hole Saw Guide Jig is made of engineering-grade plastic and sealed carbon steel bearings, which are durable, not easy to break, and have a long service life.

*High Stability & Security: Two powerful suction cup base on the hole saw guide provide greater stability and secure the hole saw guide on smooth surfaces for increased precision and safety of use.

*Widely Used: Hole saw guides can be combined with drill bits of various sizes to drill holes in tile, glass, marble, granite, ceramic.