Stainless steel body and shackle to protect in harsh environments. Up to 10,000 easy-to-set combinations. Large ergonomic dials permit operation with gloves, in low light or complete darkness. Locks have shackle seals and dust covers to protect internal mechanisms from dust and grit. Lock Type: Combination; Body Material: Stainless Steel; Body Width: 2.18"; Shackle Size: 0.31".