Features :
No need for a pilot hole
Titanium coated to reduce friction and run cooler
High speed steel,durable.
HSS Drill Bit Set For Wood, Plastic and Aluminum, Copper, Steel
Ideal For DIY, Home and General Building/Engineering Using

Specification :
Color : Gold (as picture shown)
Material : High Speed Steel
Surface : Nitrogen treatment (increasing the hardness and abrasion resistance)
Shank:Triangle round handle
Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
Model: 4-12mm(4,6,8,10,12mm), Shank:20 x 6mm

Package included :
1 x 4-12mm HSS Drill