Ideal for universal screwdriving jobs
Contents are suitable for power tools and electronic drills

Set includes:

12 pieces twist drill bits, HSS4241 with titanium coated：
[2] 1/16", [2] 5/64", [2] 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 15/64"

4 pieces wood drill bits, 45#steel, black oxide:
1/8", 5/32", 3/16", 15/64"

4 pieces masonry drill bits, milling with sandblast,C45# steel:
1/8", 5/32", 3/16", 1/4"

2 pieces wood flat drill bits, C45# steel: 1/2", 1"

34 pieces 25mm screwdriver bits, crv6150:
Phillips: [2] #1, [4] #2, [2] #3
Slotted: 1/8", 5/32", [2] 3/16", [2] 1/4", 9/32"
Square: #1, #2, #3
Torx: T10, T15, T20, T25, T27, T30, T40
Pozi：PZ1, [2] PZ2, PZ3
Hex: 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm
Hex: 5/64", 1/8", 5/32", 3/16", 1/4"

9 pieces 55mm screwdriver bits,crv6150:
Phillips: #1, #2, #3
Pozi：#1, #2, #3
Slotted: 5/32", 3/16", 1/4"

3 pieces nutdrivers,50BV30: 1/4", 5/16", 3/8"    

3 pieces drill stop: 1/8", 3/16", 5/16"

2 pieces drywall screw bit,crv6150: [2] PH2

1 piece magnetic holder, C45# steel
1 piece counter sink, C45# steel
1 piece hex key