ZS - 246 Pcs Twist Drill Bits Metal Wood Combination Drill Bit Set With Box Case

2， 17 x BRAD POINT DRILL BITS: 

1/8 'x4, 5/32 'x4, 3/16"x3, 1/4"x2, 9/32" x1, 5/16' x2,3/8"x1 

3 ，21 x MASONRY DRILL BITS:

 1/8 'x4, 5/32 'x4, 3/16"x3, 1/4"x2, 9/32”x1, 5/16' x2, 3/8"x1 

4 ，30x HSS BL ACK OXIDE TWIST DRILL BITS: 

3/64 "x3, 1/16 "x3, 5/64 "x3, 3/32 "x3, 7/64 x3, 1/8"x4, 9/64" x3, 5/32 'x4, 7/32 x2, 1/4"x2 

5 ，57 x HSS TITANIUM TWIST DRILL BITS: 

3/64 ' x6, 1/16 x6, 5/64 "x6, 3/32 "x6, 7/64 'x6, 1/8"x7, 9/64" x4, 5/32 "x4, 11/64 x1,3/16 x4, 13/64 x1, 7/32 x3, 15/64"x1, 1/4"x2 1 

6 ，1X6"X SPADE BIT EXTENSION 

7， 66x 1"SCREWDRIVER BITS:

 10 x Slotted:1/8 x2, 5/32"x2, 3/16 "x2, 1/4 x2, 9/32"x2 12 x Phillips:#0x2, #1x3, #2x4, #3x3 12 x Pozi:#0x2, #1x3, #2x4, #3x3 8x Star:T10, T15, T20, T25, T27, T30, T35, T40 0 6x Inch hex:5/64" , 3/32"，1/8"，5/32", 3/16", 1/4 .6x metric hex:H2, H2.5, H3, H4, H5, H6 12 x square:#0x2, #1x3, #2x4, #3x3 

8 ，30 x 2"SCREWDRIVER BITS: 

4 x slotted:1/8", 5/32"，3/16", 1/4 7 x phillips:#1x2, #2x3, #3x2 7 X pozi:#1x2, #2x3, #3x2 4x star:T15, T20, T25, T30 。4 x metric hex:H3, H4, H5, H6 4 x square:#1, #2x2, #3 

9 ，6x NUT DRIVERS: 

1/4"，9/32"，5/16", 11/32"，3/8"，7/16"