Specifications:
Material: Steel body & Alloy heads
Adjustable range: 40-300mm
Cutting Hole Diameter: 40-300mm
Cutting Depth: 30mm
Shank Diameter:10mm (Suitable for 10mm diameter electric drill)
Suitable for drill: Plywood, Laminates, Composite, Gypsum, Rubber, Plastic, Hardwood etc.

Come with spare blades that can be resharpened  when needed and Allan key

Easy adjustable 

TCT TUNGSTEN CARBIDE TIPPED BLADES 

FOR WOOD,PLYWOOD.LAMINATE,COMPOSITE BOARD,

GYPSUM BOARD , + OTHER MATERIALS 

USEE WITH DRILL WITH  MINIMUM 10MM CHUCK.

DRILL PRESS,MAGNETIC DRILL PRESS 

Note: It can not be used for drill metal or stone.