| Brand | Master Lock |
|---|---|
| Interior Shackle Width | 3/8 in |
| Shackle Type | Hidden/Shrouded |
| Body Material | Aluminum |
| Model | Master Lock 37D |
| Interior Shackle Height | 7/8 in |
| Shackle Material | Steel |
| MPN | 37D |
| Features | Shackle Guard, Heavy Duty |
| Country of Origin | United States |
Check the listing for details. Master Lock 37D Maximum Security Padlock Trailer Lock Armored with Shackle Guard. Condition: New, Made in United States. Listed at 20.00 USD. The Master Lock 37D Maximum Security Padlock Trailer Lock is a heavy-duty, armored padlock designed for maximum security. Made with an aluminum body and a steel shackle, this padlock features a hidden/shrouded shackle to prevent cutting and a shackle guard to further deter attacks.