Siebe Gorman 6 Bolt Diver T-Shirt - Light Colour Size:Medium Bottle Opener depicting a Hard

Bottle Opener depicting a Hard Hat Diver wearing the historic and iconic US MkV rig

C =36mm maximum lens height

highly flexible

the Navy’s Bureau of Construction and Repair developed the Mark V diving helmet based on the British Siebe Gorman Six-Bolt Admiralty Pattern helmet used by the British Army & Royal Navy

Siebe Gorman 6 Bolt Diver T-Shirt - Light Colour Size:Medium Bottle Opener depicting a HardGildan Heavy Cotton T Shirt Front Logo T Shirt Material: 100% cotton.* Seamless twin needle collar. Taped neck and shoulders. Tubular body. Twin needle sleeves and hem. Tear out label. Weight: White 170gsm. Colours 180gsm. *Ash 99% cotton 1% polyester. **Midnight, Dark Heather, Heather Sapphire, Graphite Heather, Lilac, Russet, Safety Pink, Sunset and Tweed 50% cotton 50% polyester. ***Antiques and Sport Grey 90% cotton 10% polyester.