New Hot 3PCS 5 Flute Chamfer Countersink 1/4" Hex Shank HSS Wood Chamfering Cutter Chamfer 12/16/19mm Countersink Drill Bit
https://www.vogueparade.com/shopping/EN/100006468/1/1005003745691565/new-hot-3pcs-5-flute-chamfer-countersink-14-hex-shank-hss-wood-chamfering-cutter-chamfer-121619mm-countersink-drill-bit//