Attributes . BD-1208 1/4 in, BD-1210 5/16 in, BD-1212 3/8 in, BD-1214 7/16 in, BD-1216 1/2 in, BD-1218 9/16 in, BD-1220 5/8 in, BD-1222 11/16 in, BD-1224 3/4 in, BD-1226 13/16 in, BD-1228 7/8 in, BD-1230 15/16 in, BD-1232 1 in Deep Sockets and Clip Rail . Names