• Made of high hardness alloy, wear-resistant and durable

• Precise drilling from the first contact with the tile surface

• Helical torsion shaft increases cutting volume to leave clean drilled holes

• 10 pieces in 4 different sizes to meet different hole depths and widths

• Works with most bench drills, power drills and drill presses

• Suitable for brick, block, stone, lightweight concrete, ceramic, hardboard, glass and marble materials

Specification:

• Material: Alloy

• Dimensions: 4x6mm, 2x8mm, 2x10mm, 2x12mm