Wera - 5059602001 Series 4 840/4 Z Sheet Metal Bit, Hexagon 1.5 x 50mm blade, 1/4" Drive: Screwdriver Socket Bits: Amazon.com: Tools & Home Improvement
Wera - 5042750001 Female Square 784 A Quick-Release Chuck, Adaptor 1/4" x 1/ 4" Drive: Screwdriver Bits: Amazon.com: Tools & Home Improvement