The new ProSeries Combination Padlocks from Master Lock are designed to solve many problems associated with the use of combination locks in harsh environments. They are simply the most secure, most durable, and the easiest to use combination locks available.
| Features | Model 1178 | Model 1175 | Model 1177 | Model 1175LH | Model 1175LHSS | Model 1174 |
|---|---|---|---|---|---|---|
| Body Material | die cast zinc | brass | brass | brass | brass | stainless steel |
| Shackle Material | boron alloy | boron alloy | boron alloy | boron alloy |
stainless steel |
stainless steel |
| Shackle Diameter | 3/8" | 3/8" | 3/8" | 3/8" | 5/16" | 5/16" |
| Vertical Shackle Clearance | 1-1/16" | 1-1/16" | 1-1/16" | 2-1/16" | 2-1/16" | 1-1/16" |
| Horizontal Shackle Clearance | 15/16" | 15/16" | 15/16" | 15/16" | 1" | 1" |
| Octagonal Shackle | yes | yes | yes | yes | no | no |
| Shrouded Shackle | no | no | yes | no | no | no |