The perfect set for security installers - reach into those deep crevices with ease and never be without the right screwdriver It features a non-slip comfort grip handle with a high impact plastic core and 11 double sided security shaft style bits The shaft style enables access into recessed screws up to 5 inches deep The bit load includes multiple sizes of security Torx hex and Robertson along with spanners and tri-wings so the list of applications is endless This kit can be used on standard hex and torx screws and includes a slotted and Phillips head bit for traditional screwdriver applications Bits Included Security Torx T8 T10 T15 T20 Security Hex Fraction 18"" 964"" 532"" 316"" Security Hex Metric 25mm 3mm 4mm 55mm Security Robertson 1 2 Spanner 4 6 8 10 Tri-Wings 2 3 Slotted 732