Ronstan Shock - 3/8" Line - 3/8" Webbing - Blue

The Shock - 3/8" Line, 3/8" Webbing in Blue is the ultimate solution for marine and boating enthusiasts seeking robust, lightweight, and maintenance-free hardware. Designed for a wide range of applications, this sheaveless block offers unparalleled performance and durability in demanding environments.

Unmatched Durability for Marine Conditions

Featuring a solid anodized aluminum construction, the Shock block is built to withstand harsh marine environments. With no moving parts, it ensures ultimate durability and requires minimal maintenance. Perfect for situations where sand and grit can compromise traditional bearing systems or where regular cleaning is impractical.

Optimized for Soft Attachments

The Shock block excels in 'soft attachment' scenarios, allowing for easy splicing to line ends or secure lashing in place. Its elongated attachment aperture is also ideal for webbing attachments, maintaining proper orientation and ensuring reliable connections on your vessel.

Versatile Applications in Boating and Marine Settings

Whether you're sailing a high-performance dinghy, managing small sailboat rigging, or handling larger vessel equipment, the Shock block offers virtually limitless applications. Utilize it for tweakers, vangs, trapezes, cunninghams, barber haulers, kite bridles, lazy jacks, sail covers, tie-downs, ladders, and motor hoists, among other uses.

Exceptional Performance and Lightweight Design

Weighing only 12g (0.42oz), the Shock block delivers outstanding strength with minimal weight. Its clever 3D geometry ensures smooth line operation even with moderate angle changes. Compatible with lines ranging from 1.4mm (1/16") to 10mm (3/8"), it works seamlessly with both high-tech braids and traditional double braids.

Key Features

• Ultra lightweight and compact design
• High load capacity of 1,000kg (2,200lbs)
• Color-coded in blue for easy identification
• Impact and corrosion resistant
• Optimized for small lines and high-tech braids
• Maintenance-free with no moving parts
• Soft attachment compatible and grit-resistant

Applications

Ideal for a wide range of marine and boating applications, including:

• Kitesurfing and power kites
• Paragliders and sports kites
• Control line deflections and purchase systems
• High-performance dinghy and sailboat rigging
• Tweakers, vangs, trapezes, cunninghams, barber haulers
• Kite bridles, lazy jacks, sail covers, tie-downs
• Ladders and motor hoists on larger vessels

Technical Specifications

Specification	Details
Rope Diameter	1.4mm - 10mm (1/16" - 3/8")
Height	14.5mm (9/16")
Width	24.8mm (1")
Length	36mm (1-7/16")
Breaking Load	1,000kg (2,200lbs)
Product Weight	12g (0.42oz)
Color	Blue
Box Dimensions	1"H x 1"W x 1"L
Box Weight	0.1 lbs
UPC	9316800525959

Materials

Constructed from high-quality anodized aluminum, the Shock block offers superior strength and corrosion resistance, ensuring long-lasting performance in marine environments.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.