Designed for a quick change between piloted countersinking and screwdriving functions. Supplied with multiple drill bit sizes including 2.38mm, 2.78mm and 3.18mm. Set consists of a variety of bits including magnetic S2 steel PZ1, PZ2 and PZ3 bits. Suitable for No's 6, 8 and 10 gauge screws. Swift flip-over allowed by quick release chuck on the extension bit holder. 1/4"Hex Shank fitted with a hex key for drill bit adjustment or replacement. Features & Benefits: • Designed for a quick change between piloted countersinking and screwdriving functions. • Supplied with multiple drill bit sizes including 2.38mm, 2.78mm and 3.18mm. • Set consists of a variety of bits including magnetic S2 steel PZ1, PZ2 and PZ3 bits. • Suitable for No. 6, 8 and 10 gauge screws. • Swift flip-over allowed by quick release chuck on the extension bit holder. • 1/4"Hex Shank fitted with a hex key for drill bit adjustment or replacement. • Model No. FDS4 Specifications: Model No FDS4 Brand: Sealey Contents: Ø2.38