Gunsmithing Screwdriver Set - 664507 Features: Only 8-1/2" x 2-3/4" size Product Specs: Driver handle features compartment to hold extra bitsContains 10 slot bits, 14 allen-head bits, 3 Phillips head bits and one 2" long bit extension for recoil padsPackaged in plastic boxContents made in China and assembled in US Features: Only 8-1/2" x 2-3/4" size MFR #: 664507 UPC: 661120645078 Note on bits:The bits in these sets are designed to break before damaging the fastener itself. Breakage of a bit should not be considered a defect, rather it means that the fastener will require some other means of removal or an application of a suitable compound that will penetrate threads, such as Kano Kroil.