Woot offers Astro Pneumatic Tool model 1600 16-Piece Punch and Chisel Set for $18.99 (orig. $28.93). Free shipping for Prime Members.

Product Description:
16pc set features hex shaped shanks for easy gripping with locking pliers and includes 5 tapered punches, 5 straight punches, 2 center punches, 3 cold chisels and chisel gauge.
With 16 different shapes and designs, the 1600 is popular for a multitude of uses including: bolt hole alignment, ball joint separation, spreading steering knuckles, center punching, and driving out bolts and pins.

• Heat treated Chrome Vanadium provides a high hardness rating that discourages mushrooming of heads and dulling of chisels and punches.
• Shows the correct angle for maintaining chisel edges.