Features:
The hole saw is made of HSS carbon steel & Bi-metal steel,built tough for repeat use and handy for working on cornhole boards and plastic.
With the non-binding clean edge design, this hole saw cuts smooth and easy
Built tough for repeat use and handy for working on corn hole boards, air ducts, ceiling lights, speakers and more

Specification:
Cutting Diameter: 4 inch / 102mm
Cutting Depth: 1 3/16 inch / 30mm
Material: M42 High-Speed Steel & Bi-Metal

Package Content:
1 pc 6'' hole saw
1 pc arbor(with 1 drill bit)
1 pc drill bit for replacement
1 pc hex key.

Warmly Note:
1.Start drilling with a slow drill rotary speed,after the teeth go into the material,then use the normal or high speed.
2.Keep the drill be stable when drilling, Stop drilling immediately if the hole saws work abnormally during operation.
3.Not recommend used in hard wood, hard metal and stone.
4.please be careful,and not let children touch it.