These are factory CAT sockets.
CAT Caterpillar 213-4443 1/4" Drive Ratchet & Socket Set w/ Extensions Adapters
CAT Caterpillar 653-9613 3/8" Drive 1/2" Socket Bottle Opener LIMITED QUANTITY
CAT Caterpillar 199-9019 12 pc Socket Set 3/8 Drive DEEP Metric 8-19 mm 12-Point
CAT Caterpillar 214-1151 9 pc Socket Set 3/8 Drive DEEP 3/8" - 7/8" 6-Point
CAT Caterpillar 194-3578 9 pc Socket Set 1/4 Drive DEEP METRIC 6-Point 6mm-14mm
CAT Caterpillar 214-6490 9 pc Socket Set 3/8 Drive DEEP 3/8" - 7/8" 12-Point
