Phillips Sizes

• Stubby: #2
• Standard: #0, #1, #2, #3
• Long: #1, #2, #3

Slotted Sizes

• Stubby: 1/4 in.
• Standard: 1/8, 3/16, 1/4, 5/16 in.
• Long: 3/16, 1/4, 5/16 in.

Torx Sizes

• T10, T15, T20, T25, T27, T30

Square Sizes

• S1, S2, S3

Hex Sizes

• Inch: 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 in.
• Metric: 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 7, 8 mm

Nut Driver Sizes

• Inch: 3/16, 1/4, 5/16, 3/8, 7/16, 1/2 in.
• Metric: 6, 7, 8, 9, 10 mm