... ,14,15,16,17,18,19MM2.13PCS-1/4" DR. SOCKETS: 4,4.5,5,5.5,6,7,8,9 ... -1/4" DR. SLIDING T-BAR9.18PCS-1/2" DR. SOCKETS: 10,11,12,13,14,15,16,17,18,19 ... ,23,24,27,30,32MM10.2PCS-1/2" DR. SPARK PLUG SOCKETS: 16MM&21MM11.2PCS-1/2" DR. EXTENSION BARS: 5"&10 ... quality (as supplier for home first-class brands), national and international quality standard -Function: cushion grip, easy to handle, low maintenance ...