Adjustable 4-83mm Diamond Opening Locator Drill Bit Tile Glass Hole Saw Core Bit with Vacuum Base Sucker
Locator suction large, good stability, triangular area set.
a small size, the middle position of large size, can be put into 4-83mm driller.
Here's a video shows how the opening locator works:
Material: rubber base + plastic shell + steel
Size: 25.6x14x10xm(L x W x H)
·Four metal fixed round buckle
·Black rotation regulation
·Can be put into the 4-83mm driller
A large guide suitable for diameters up to 115mm, for use with Addax wet diamond drill bits.
This suction cup is designed for glass and tiles even in small sizes and it is easy to attach to cooling systems.
In order to change to a larger drill bit: loosen the 2 screws and turn the V-Notch piece to 180° and then tighten the screws
Need and hole drill used together