... Set Specification: 1) 10pc 1/4" Dr. socket set: 4, 5, 6, 7, 8, 9, 10, 11, 12, ... 13mm2) 8pc 3/8" Dr. socket set: 10, 11, 12, 13, 14, 15, 16, 17mm3) 1pc ... x 3 extension bars6) 1pc 1/4" x 3/8" socket adapter 7) 1pc spinner handle8) 20pcs 1/4" Dr. bit set9 ...