Features:
Ideal for cutting wood, alloy, iron etc.
Backer, cutting edge and cap work together to provide faster, longer-lasting cutting action.
Positive rake teeth clear chips better for longer life and easier cutting.
Teeth stay sharper and make smoother cuts.

Specifications:
Product Name: Hole Saw
Use for: Wood, Iron, Aluminium Alloy
Cutting Dia(Approx): 18mm, 21mm, 24mm,31mm, 37mm, 43mm, 53mm, 63mm
Depth(Approx) : 28mm
Material: HSS
Color: Yellow, Black, Red

Note:
Be careful to avoid skipping of the blade when using a hole saw, this can ruin the finish of your case.
Masking off the area remotely close to the intended hole is a good idea.

Package Included:
1 set(8 pcs) Hole Saw
2x Twist Drill Bit
1x Hex Wrench