SKU:55367
Shock - 3/8 Line - 3/8 Webbing - Blue
The Sheaveless Black
The obvious choice for those kitesurfers, paragliders, control line deflections and purchase systems that require a lightweight high load capacity block.
Ultimate durability
With no moving parts SHOCKS provide ultimate durability and are maintenance free. They are ideal where sand and grit would compromise a bearing system or where regular flushing out isnt possible. Their gentle 3-dimensional geometry is kind on lines, but is strong enough to cope with poor leads.
Soft attachment specialists
SHOCKS are designed primarily for soft attachment; spliced to a line end or lashed in place. The elongated attachment aperture is also ideal for webbing attachment, ensuring the intended orientation is maintained.
Virtually limitless applications
The applications for SHOCKS are virtually limitless, including numerous high performance dinghy and small sailboat rigging applications including tweakers, vangs, trapezes, cunninghams, barber haulers and kite bridles. They are also handy on larger boats for uses such as lazy jacks, sail covers, tie-downs, ladder and motor hoists.
Hidden performance
At a mere 2.5g (0.1 oz), SHOCKS are outstanding performers in the strength and weight stakes. The clever design and exacting finishing also provide excellent free running at moderate changes of angle. Small hi-tech line specialists SHOCKS accept lines from 1.4mm (1/16) up to 8mm (5/16) and function just as well with hi-tech uncovered braids as with traditional double braids.
Features:
Applications:
Unlimited uses, including kitesurfing, paragliders, sports kites, power kites, stunt kites, depower kites, traction kites, for deflection or purchase system on control lines
Materials:
Anodized Aluminum
Specifications:
Rope :1.4mm-10mm(1/16 - 3/8)
Height:14.5mm(9/16)
Width: 24.8mm(1)
Length:36mm(1-7/16)
B. L.:1,000kg(2,200lbs)
Weight:12g(0.42oz)
The Ronstan Shock RF8081BLU is a versatile, lightweight sheaveless block designed for high load capacity applications across various water sports and rigging systems. Crafted from anodized aluminum, this compact device weighs only 12 grams and combines durability with exceptional performance. Its impact-resistant construction and salt grit resistance make it suitable for demanding environments, including kitesurfing, paragliding, and small sailboat rigging. The Shock’s design features no moving parts, ensuring maintenance-free operation and long-term reliability. Its soft attachment capability allows for easy splicing or lash mounting, with an elongated attachment aperture that maintains proper orientation and tension. The Shock’s geometry is gentle on lines, yet strong enough to handle poor leads, making it ideal for deflections, purchase systems, and control line adjustments in high-performance sailing and kitesport setups. Its broad compatibility spans line diameters from 1.4mm (1/16 inch) up to 8mm (5/16 inch), accommodating various high-tech and traditional line types, including braided and double braid lines. With its compact size, impact resistance, and high load capacity of 2,200 pounds, the Ronstan Shock delivers outstanding strength without adding unnecessary weight. Its color-coded design simplifies identification and installation, while its poor alignment tolerance ensures reliable performance even under less-than-ideal conditions. Suitable for a wide range of applications, the Shock excels in kite bridles, vang systems, trapezes, lazy jacks, sail covers, tie-downs, and more. Whether used on small dinghies or larger vessels, this device provides a dependable solution for controlling and deflecting lines in a compact, lightweight package that does not compromise strength or durability.
Features:
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