1x 846/8 3-flute Countersink Bits Set, 8 pieces; 1x 816 R Bitholding screwdriver with Rapidaptor quick-release chuck: 1/4"x119; 1x 888/4/1 K Rapidaptor Universal Bit Holder: 1/4"x50; 6x 846 3-flute Countersink Bit: 6.30x31.0, 8.30x31.0, 10.40x34.0, 12.40x35.0, 16.50x40.0, 20.50x41.0