PRO TECHNIK SHADDLE DRILLS FOR WOOD 6CZ WDT066Set of 6 professional drill bits for cutting holes in wood and similar materials.It has a special design to ensure safety during drilling and protect the wood from damage. The purpose of the blades is to remove sawdust from inside the hole, which prevents the hole from bursting inside.The paddle drill is ideal for drilling holes for locks, mortises, plumbing and electrical work.Drills are made of carbon steel.Six-sided shank.CaseDrill sizes: 10 / 12 / 16 / 18 / 20 / 25mmApplications for wood:hardwood, softwood, plasterboard,lightweight building materialsPARAMETERS:6 pen drills: 10 / 12 / 16 / 18 / 20 / 25mmholding shank: hexagonaldrill length:150mm.