2 - 25mm ADP.: 1/4" Dr. 3 - 50mm ADP.: 1/4" 3/8" 1/2" Dr. 2 - 65mm ADP.: 1/4" 3/8" Dr. 1 - 72mm ADP.: 1/2" Dr. 1 - 1/4" Magnetic Quick Release Bit older (60mm)