PART #2402-0104 includes 32 sizes – 160 pieces – five of each sizes of 1/4 -20 x 1/2 through 21/2 , 5/16 -18 x 1/2 through 21/2 and 3/8 -16 x 1/2 through 21/2
PART #2402-0105 includes 16 sizes – 80 pieces – five of each sizes of 1/4 -20 x 23/4 through 4 , 5/16 -18 x 23/4 through 4 and 3/8 -16 x 23/4 through 4