Professional screwdriver bits for all needs, requirements and circumstances 208pc screwdriver bit set Manufactured from chrome vanadium steel for strength and durability 208pc bit set for all different household and office uses Suitable for the repair and maintenance on electronic / electrical and mechanical equipment All the bits have a hex shank on the end so as well as being used with the screwdriver they can also be used with a drill, electric, battery or air etc... (bit holder is also provided in this kit) SET INCLUDES THE FOLLOWING • 28 x 25mm Phillips Screwdriver Bits - 3 x PH1 / 22 x PH2 and 3 x PH3 • 12 x 25mm Slotted Screwdriver Bits - 3 x SL3-4 / 3 x SL6-8 / 3 x SL8-10 and 3 x SL10-12 • 10 x 25mm Square screwdriver bits - 2 x SQ1 / 6 x SQ2 and 2 x SQ3 • 30 x 25mm Imperial Hex screwdriver bits - 3 x 1/16" / 3 x 5/64" / 3 x 3/32" / 3 x 1/8" / 3 x 9/64" / 3 x 7/32" / 3 x 1/4" / 3 x 3/16" / 3 x 5/32" and 3 x 7/64" • 18 x 25mm Torx screwdriver bits - 2 x T8 / 2 x T10 / 2 x T15 / 2 x T20 / 2 x T25 / 2 x T27 / 2 x T30 / 2 x T35 and 2 x T40 • 11 x 50mm Phillips Screwdriver Bits - 3 x PH1 / 5 x PH2 and 3 x PH3 • 6 x 50mm Slotted Screwdriver Bits - 1 x SL6-8 / 4 x SL8-10 and 1 x SL10-12 • 8 x 50mm Square screwdriver bits - 2 x SQ1 / 4 x SQ2 and 2 x SQ3 • 4 x 50mm Imperial Hex screwdriver bits - 2 x 5/32" / 2 x 7/64" • 8 x 75mm Phillips Screwdriver Bits - 2 x PH1 / 4 x PH2 and 2 x PH3 • 4 x 75mm Slotted Screwdriver Bits - 1 x SL6-8 / 2 x SL8-10 and 1 x SL10-12 • 4 x 75mm Square screwdriver bits - 1 x SQ1 / 2 x SQ2 and 1 x SQ3 • 4 x 50mm Imperial Hex screwdriver bits - 1 x 5/32" / 1 x 7/64" • 10 x 38mm metric nut drivers - 2 x 5mm / 1 x 6mm / 1 x 7mm / 1 x 8mm / 1 x 9mm / 1 x 10mm / 1 x 11mm / 1 x 12mm and 1 x 13mm • 10 x 38mm Imperial nut drivers - 2 x 3/16" / 1 x 7/32" / 1 x 1/4" / 1 x 9/32" / 1 x 5/16" / 1 x 11/32" / 1 x 3/8" / 1 x 7/16" and 1 x 1/2" • 4 x 25mm spanner security bits - 1 x No.4 / 1 x No.6 / 1 x No.8 and 1 x No.10 • 4 x 25mm Tri-wing security bits - 1 x No.1 / 1 x No.2 / 1 x No.3 and 1 x No.4 • 4 x 25mm Mortorq security bits - 1 x No.6 / 1 x No.8 and 1 x No.10 • 4 x 25mm Clutch security bits - 1 x No.1 / 1 x No.2 and 1 x No.3 • 3 x 25mm spline bits - 1 x 5mm / 1 x 6mm and 1 x 8mm • 7 x metric 25mm Hex tamper security bits - 1 x H2 / 1 x H2.5 / 1 x H3 / 1 x H4 / 1 x H5 and 2 x H6 • 7 x imperial 25mm Hex tamper security bits - 1 x 5/64" / 1 x 3/32" / 1 x 7/64" / 1 x 1/8" / 1 x 9/64" and 2 x 5/32" • 9 x 25mm tamper torx security bits - 1 x T8 / 1 x T10 / 1 x T15 / 1 x T20 / 1 x T25 / 1 x T27 / 1 x T30 / 1 x T35 and 1 x T40 • 1 x 1/4" hex to 1/4" square drive adapter • 1 x 1/4" hex bit holder • 1 x 1/4" hex quick change bit holder Comes in full marked blow molded case for easy storage and transportation