The Master Lock Number 6271 Pro-series Hidden Shackle Padlock, Keyed Alike multiple locks open with the same key features a 2-7/8 in. (73 mm) W reinforced die cast body that withstands forcible attacks and a 3/8 in. (9 mm) Dia boron alloy shackle. The Lock body conceals the shackle, defeating attempts to pry and cut. Ideal for transportation, vending and industrial applications, the high security, rekey able 6-pin cylinder with spool pins is virtually impossible to pick.
| Lock material | Brass |
| Size | 0.375 in. Shackle Diameter |
| Shackle clearance (in.) | .594 |
| General Material | Zinc |
| Product Width (in.) | 2.875 |
| Lock Type | Keyed |
| Product Height (in.) | 2.87 |
| Color/Finish Family | Silver metallic |
| Product Depth (in.) | 1.5 |
| Warranty | Limited lifetime |
| Keying Type | Keyed Alike |
| Weatherproof | YES |
| Manufacturer Warranty | Limited Lifetime |
| Color | Chrome |
| Pack Size | 1 |
| UNSPSC | 46171501 |