1inch Diamond Finger bit.

What can it do?
You can use it to enlarge, shape and reshape, and round bevel predrilled holes or existing holes in Porcelain, Hard Ceramic, marble, and granite countertop or wall tiles or floor tiles when you upgrading your kitchen or bathroom.

Why Diamond finger bits?
Vacuum brazed diamonds coating covers all top and sides of the finger bit, ensuring high efficient working performance in your job. It can work wet or dry to meet all needs in different environment.

Easy to use：
Built with standard 5/8-Inch-11 thread, you can easily hook it to your angle grinders. If you do not have angle grinders, no worry, with the 5/8-Inch-11 thread to 3/8: hex shank adapter, you can use your electric drill to shape perfect holes too.

Features:
Diameter of the bit: 1”(25mm)
Work depth: 2"（50mm）
Length: 2-1/2”65mm
Package includes: 1 Diamond Finger bit and 1 piece of 5/8”-11 thread to 3/8: hex shank adapter