Master Lock is an American company that develops padlocks, combination locks, safes and related security products. Master Lock was founded in 1921 by Harry Soref, P. E. Yolles, and Sam Stahl. Soref invented and patented a padlock in 1924. Master Lock Headquarters are in Oak Creek, Wisconsin, United States. Combination Lock: Die-Cast, 2" Wide Dial, 5/16" Shackle Dia, 1" Shackle Width, Lock Type: Combination, Body Material: Die-Cast, Shackle Material: Steel, Combination Style: Dial, Body Width (Inch): 2, Shackle Clearance: 1, Shackle Diameter: 5/16, Shackle Width: 1in, Combination Resettable: Yes, For Use With: Cable Boxes; Gang Boxes; Job Boxes; Substations; Tool Boxes; Tool Cribs; Tool Trunks; Utility Meters, Weather-resistant: Yes
| Materials & Construction | |
| Color | Black |
| Outer Material | Die-Cast |
| Product Details | |
| Body Material | Die-Cast |
| Combination Resettable | Yes |
| Combination Style | Dial |
| For Use With | Cable Boxes; Gang Boxes; Job Boxes; Substations; Tool Boxes; Tool Cribs; Tool Trunks; Utility Meters |
| Item model number | 178BLK |
| Lock Type | Combination |
| Material | Brass |
| Shackle Material | Steel |
| Special Feature | Keyless |
| Weather-Resistant | Yes |
| Sizing & Dimensions | |
| Body Width (Inch) | 2 |
| Height | 2.2 inches |
| Item dimensions L x W x H | 3.02 x 1 x 2.2 inches |
| Length | 3.02 inches |
| Product Dimensions | 3.02 x 1 x 2.2 inches |
| Shackle Clearance | 1 |
| Shackle Diameter | 5/16 |
| Shackle Width | 1in |
| Weight | 8.48 ounces |
| Width | 1 inches |
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