Dormer A77742 4.20mm HSCo Heavy-Duty Jobber DrillThis is a heavy-duty jobber drill from Dormer, designed for demanding applications. It features a 4.20mm tip diameter, suitable for precision drilling tasks. Built with HSCo material for enhanced durability and performance.Features Heavy-duty construction High-speed cobalt (HSCo) material Jobber drill designSpecifications Brand: Dormer MPN: A77742 EAN: 7320760375129 Tip diameter: 4.20mm Working length: 43mm Overall length: 75mm