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Ball arm system |
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Variable friction universal 1" ball-arm system.
O-ring embedded in ball reduces metal-to-metal contact.
Holds 3Kg loads in air.
Ultra-lightweight aluminium 6061 hard-anodised components. Fasteners are SS316 (A4) unless otherwise stated.
Compatible with existing 1" and 25mm ball-arm parts.
Very wide range of adapters and fittings for professional film making and underwater applications.
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Double-ball arm sections
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3" double ball arm Ultralight DB-03 |
£32.99
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5" double ball lattice arm Ultralight DB-05 |
£43.00
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8" double ball lattice arm Ultralight DB-08 |
£43.00
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12" double ball lattice arm Ultralight DB-12 |
£43.00
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16" double ball lattice arm Ultralight DB-16 |
£46.00
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Buoyancy arms, 1¼" diameterPositively buoyant due to sealed hollow cylindrical section.

Max recommended depth: 200m.
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8" double ball buoyancy arm, 1.25″ diam. Ultralight DB-B08 |
£52.99
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12" double ball buoyancy arm, 1.25″ diam. Ultralight DB-B12 |
£52.99
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16" double ball buoyancy arm, 1.25″ diam. Ultralight DB-B16 |
£52.99
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Buoyancy arms, 2" diameterHigh buoyancy.

Max. recommended depth: 100m
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8" double ball buoyancy arm, 2″ diam. Subtracts approx 125g from system weight underwater Ultralight DB-BL08 |
£59.99
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10" double ball buoyancy arm, 2″ diam. Subtracts approx 225g from system weight underwater Ultralight DB-BL10 |
£59.99
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12" double ball buoyancy arm, 2″ diam. Subtracts approx 310g from system weight underwater Ultralight DB-BL12 |
£59.99
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14" double ball buoyancy arm, 2″ diam. Subtracts approx 420g from system weight underwater Ultralight DB-BL14 |
£62.99
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16" double ball buoyancy arm, 2″ diam. Subtracts approx 510g from system weight underwater Ultralight DB-BL16 |
£62.99
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Clamps
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Standard clamp Ultralight AC-CSF |
£34.99
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Long reach clamp Allows 2″ diam. buoyancy arms to fold parallel Ultralight AC-CSB |
£34.99
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Extra long extension clamp for small torches, etc. Not recommended for large head loads Ultralight AC-CSL |
£34.99
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Triple clamp (provides spur or cross-link attachment point) Cannot be used with only 2 balls Ultralight AC-TCS |
£34.99
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Spare parts
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O-rings for Ultralight ball, pack of 10 Size 2-209, Buna |
£5.50
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O-rings for Ultralight ball, pack of 25 Size 2-209, Buna |
£12.00
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Replacement T-knob for clamp ¼-20 female. Also fits TLC clamp Ultralight AC-TK |
£12.00
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Plastic washer, ¼″ hole Ultralight AC-WASH |
£0.25
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Spring for Ultralight clamp Ultralight SPRING |
£3.00
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Twist-lock cable clip (bunny clip), for bundles ≤14.5mm diam. Pack of 10 used to attach sync. cords to lattice arms, etc. CU 819-848a |
£4.49
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E&OE
© Cameras Underwater Ltd.