Features: Great for sinking 90 degree holes into wood and soft metals in pre-drilling countersunk screws and fastening. The kit includes all commonly used sizes including 12mm, 16mm and 19mm, all with 1/4" hex quick release plates to facilitate quick changes with a 1/4" quick handle. Heat-treated steel carbon blades ensure good tool life. Suitable for all soft woods and metals. Reaming bit only, other accessories shown in the picture are not included. Specification:Material: High Speed Steel Size: 12x42mm; 16x43mm; 19x48mmColor: As pictures shownQuantity: 1 setNote: Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:3Pcs/Set x 1/4 Hex Shank Reaming Bit