Acme Tools also has 6-Piece IRWIN Speedbor Wood Drill Bit Set (IWAX236PC) on sale for $19.99. Shipping is free on $199+, otherwise shipping is $6.49.

Features:

• ‎1/2″; 5/8″; 3/4″; 7/8″; 1″; 1-1/4″ Bit Sizes
• Tri-Flute design for faster chip ejection
• Cutting spurs have 3 cutting edges for added durability
• Full screw tip allows bit to self feed
• Grooved hex shank prevents slipping in drill chuck or bit extension
• Fits all standard 1/4-in quick change chucks

No longer available:

• Amazon has 6-Piece IRWIN Speedbor Wood Drill Bit Set (IWAX236PC) on sale for $19.99. Shipping is free w/ Prime or on $35+ orders.