Snap-on Tools USA 26pc Special Edition USA 250 Celebration Set 212FSMS/FHD100AM. FHD100 / FHD100AM = 3/8 Drive Cynergy hard grip 100 tooth ratchet. 212FSMS = 12pc 3/8 Drive semi deep Metric Chrome Socket Set 8-19mm. FSS081 = 3/8″ Drive SAE 1/4″ 6 point Semi Deep Chrome Socket. FSS101 = 3/8″ Drive SAE 5/16″ 6 point Semi Deep Chrome Socket. FSS121 = 3/8″ Drive SAE 3/8″ 6 point Semi Deep Chrome Socket. FSS141 = 3/8″ Drive SAE 7/16″ 6 point Semi Deep Chrome Socket. FSS161 = 3/8″ Drive SAE 1/2″ 6 point Semi Deep Chrome Socket. FSS181 = 3/8″ Drive SAE 9/16″ 6 point Semi Deep Chrome Socket. FSS201 = 3/8″ Drive SAE 5/8″ 6 point Semi Deep Chrome Socket. FSS221 = 3/8″ Drive SAE 11/16″ 6 point Semi Deep Chrome Socket. FSS241 = 3/8″ Drive SAE 3/4″ 6 point Semi Deep Chrome Socket. FSS261 = 3/8″ Drive SAE 13/16″ 6 point Semi Deep Chrome Socket. FX2 = 3/8″ Drive 2″ Length Knureled Friction Ball Extension. FXK3 = 3/8″ Drive 3″ Length Knureled Friction Ball Extension.