Laser Tools 9137 JIS Non-Slip 10 Piece Bit Set 50mm Bit Length 1/4"D S2 Heat Treated Alloy Steel. Sizes: 3x JIS Ph1, 4x JIS Ph2, 3x JIS Ph3. A JIS 10-piece bit set with 1/4" hex shanks & quick chuck ends to allow fast secure connection to 1/4" hex drivers.
