The Shield refrigerant locking cap is the best option to meet both the IMC and IRC codes. The Shield uses a patent pending all brass design to provide great protection without corrosion.
JB Industries Shield® Refrigerant Locking Cap, Brass, Black, 1 in D
- All brass design, no corrosion
- One-bit with stubby driver
- Bit and driver make tamper-resistant key
- 10 warning stickers
- Waterproof black universal sleeves
- Deters refrigerants theft and to help reduce huffing
- Provides greater security than any others cap on the market
- Domestic
- Universal refrigerant type
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Catalog
https://assets.unilogcorp.com/267/ITEM/DOC/JB_Industries_2VZR_P_Catalog.pdf