Hollis Single Tank Adapter Bolt Kit Gear Bag you'll bolster your skills and

you'll bolster your skills and confidence when diving alone

Intuitive User Interface with "Step Back"

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New features include improved Bluetooth driver

Patented QuickLock® Release 4 (QLR4) Weight Integration System

Hollis Single Tank Adapter Bolt Kit Gear Bag you'll bolster your skills andOverview Don't always want to dive doubles, but your gear is set up for doubles. The Hollis Single Tank Adapter gives you the versatility of single cylinder use when you have a dual cylinder set up. All you need is the adapter and this set of stainless steel bolts with butterfly nuts which make installation and removal a breeze. Small parts can get misplaced or lost, so having a spare set of hardware can get you out of a bind in an emergency. Bolt kit