Delrin® is a lightweight, extremely stable space age polymer. Lid is secured via flange to cap seal internal O-ring
18650 Battery Locker:
- Fits Standard 18650 Cells or 2 x CR123 Batteries
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- Overall length: 84.50 mm or 3.35"
- External diameter: 23.8 mm or .94"
- Internal opening: 19.45 mm or .78"
- Internal depth: 70.25 mm or 2.75"
- Weight 21.5 grams
21700 Battery Locker:
- Fits Standard 21700 Cells / 1 x 18650 With Extra Space / 2 x CR123 Batteries
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- Overall length: 88 mm or 3.47"
- External diameter: 27 mm or 1.06"
- Internal opening: 21.86 mm or .86"
- Internal depth: 70.7 mm or 2.79" - Includes Cap Elevated Section
- Weight 27.9 grams
- Doesn't fit 21700 batteries with built in charging ports (these cells are extra long )