$67.99 Drillpro 10pcs 3-13mm hss titanium coated twist drill bit set wood metal cutting groove drill 
drillpro 8pcs 1/2 inch shank hss 4241 twist drill bit set 9/16 to 1 inch twist drill for wood 
1Pc High Speed Steel 1/2 Drill Straight Shank Twist Metal Drill Bit | eBay
