40Pcs Diamond Cutting Wheels (25mm/22mm/18mm/16mm Each 10Pcs) 8Pcs 3mm Shank Mandrels 2 Screwdrivers for Rotary Tool NO5140

Feature: 

This diamond cutting wheel set is sharp and sturdy, making them perfect for cutting gems, glass, ceramics, tiles, carbides, rocks, aluminum and copper.

Diamond cutting wheels with holes are convenient for chip removal when using and can reduces heat accumulation.

Mandrel with 3mm shank diameter is compatible with most small electric drills and electric grinders.

Ultra-slim design is suitable for making slots and gaps.

A great tool set for DIY, handmade, manufacturing jewelry or silverware.

Specification:

Material: Diamond

Wheel diameter: 25mm(1in)/ 22mm(0.87in)/ 18mm(0.7in)/ 16mm(0.63in)

Mandrel shank diameter: 3mm(Approx. 1/8in)

Mandrel length: 37mm(1.45in)

Screwdriver length: 92mm(3.6in)

Packing list:

10* 25mm 8 holed diamond cutting wheels

10* 22mm 8 holed diamond cutting wheels

10 * 18mm diamond cutting wheels

10* 16mm diamond cutting wheels

8 * 3mm shank mandrels

2 * screwdrivers

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