These Steel Padlocks (2pk, keyed alike) have a weatherproof hockey puck design, no shackle, and a universal fit for all trailer hasps. They include 6 keys, a 3/8" internal shackle, and an enlarged lock opening.
TRIMAX "Hockey-Puck" Internal Shackle Trailer Door Lock - 2-PACK All KEYED ALIKE
TRIMAX "Hockey-Puck" Internal Shackle Trailer Door Lock - 2-PACK All KEYED ALIKE