Wheeler Engineering 55-Piece SAE/Metric Hex/Torx Screwdriver Set Black/Yellow. This set includes all of the most common bits one driver handle one 4mm driver handle and comes in a convenient case for safe storage. Specifications for Wheeler Engineering 55-Piece SAE/MetricHex/Torx Screwdriver Set: Manufacturer: Wheeler Engineering Handle Material: Plastic Additional Features: Metric Hex SAE Hex Torx Package Type: Plastic Carry Case Quantity: 55 Color: Black/Yellow Included Accessories: Standard Fabric/Material: Steel Package Contents: Wheeler Engineering 55-Piece SAE/MetricHex/Torx Screwdriver Set SAE Hex (.028" .035" .05" 1/16" 5/64" 3/32" 7/64" 1/8" 9/64" 5/32" 3/16" 7/32" 1/4" 5/16" 3/8") Metric Hex (.7mm .9mm 1.3mm 1.5mm 2mm 2.5mm 3mm 4mm 4.5mm 5mm 5.5mm 6mm 7mm 8mm 10mm) Torx (T1 T2 T3 T4 TT5 TT6 TT7 TT8 TT9 TT10 TT15 TT20 TT25 TT30 TT35 TT40 TT45 TT50) Wheeler Engineering 1081958: 55-Piece SAE/Metric Hex/Torx Screwdriver Set Black/Yellow