Features: 5 Countersink Flutes for Chamfering and Countersinking Tool Set of Tapered PartsHigh Quality HSS Material: High Speed Steel 5 Flutes 1/4" ShankFive Flutes and 82 Degree, 90 Degree AngleCutting quickly and easily in wood, soft metal, rubber, plastic and other machinable materials. For carpentry, locksmiths, automobiles, metalworkingIt can perfectlyEvery time you supercharge the perfect countersink pilot hole, the screw head is correctly fixed. For Home & Industrial UseGreat for Workbench or ToolboxIdeal for Chamfering & CountersinkingIndustrial Cone Drill Bit SetPacking List:5*Bit1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.1.