Specially-designed tungsten carbide tip. For use on steel, wood, masonry, uPVC, ceramics and concrete. Ideal for use in multi-construction environments. Set includes 5, 5.5mm x 85mm; 6mm x 100mm; 6, 7, 8, 10mm x 150mm. Specially-designed tungsten carbide tip. For use on steel, wood, masonry, uPVC, ceramics and concrete. Ideal for use in multi-construction environments. Set includes 5, 5.5mm x 85mm; 6mm x 100mm; 6, 7, 8, 10mm x 150mm.