Features: Specifical step design, one drill for many sizes, very convenient. Triangle round handle. No need for a pilot hole. High speed steel, durable to use. Used for iron sheet, aluminum, insulation board, PVC plate wood thickness in 4mm.
Features: Specifical step design, one drill for many sizes, very convenient. Triangle round handle. No need for a pilot hole. High speed steel, durable to use. Used for iron sheet, aluminum, insulation board, PVC plate wood thickness in 4mm.
