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Notch 1/2" Rigging Spring Block (55352)

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Key item features

Durable Construction: Features hot-forged aluminum side plates with rope-friendly rounded cheeks and precision CNC machined aluminum sheaves, ensuring robust performance and rope protection.
Compact Design: This small, lightweight arborist block is designed to accept working lines up to 1/2 inch (13mm) in diameter, making it suitable for various rigging tasks.
Secure Locking: Equipped with a low-profile, secure, and easy-to-open captive screw pin lock, featuring a high wall and full diameter for improved anchor sling protection.
Versatile Sheaves: The wide concave upper sheave accommodates 5/8 inch anchor slings, while flared side plates effectively reduce twisting in complex rigging scenarios.
Impressive Strength: Offers a Working Load Limit (WLL) of 20 kN (4,496 lbs.) and a Minimum Breaking Strength (MBS) of 100 kN (22,480 lbs.), providing substantial load-bearing capacity.
Optimized Dimensions: Includes an upper sheave diameter of 0.75 inches (19mm) and a lower sheave diameter of 1.5 inches (38mm), along with a stainless steel axle for durability.

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Specs

Sheave material
Aluminum
Maximum rope diameter
13 mm
Rec. use
Residential
Dimensions
4.70 x 2.70 x 3.00 in
Brand
Notch
Color
Orange

Current price is $185.99

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Arrives between Jun 22 - Jun 24

Sold and shipped by Vertical Supply Group

4.875 stars out of 5, based on 16 seller reviews(4.9)

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About this item

Product details

The Notch 1/2" Rigging Block is a small sized lightweight arborist block accepts working lines up to 1/2” (13mm) diameter. Hot forged aluminum side plates with rope friendly rounded cheeks. Precision CNC machined aluminum sheaves with wide bend radii. Stainless steel axle. Low profile, secure, easy to-open captive screw pin lock. High wall, full diameter, improved anchor sling protection. Wide, concave upper sheave accepts 5/8” anchor slings. Flared side-plates reduce twisting in complex rigging scenarios. Upper sheave diameter: .75 in. (19mm), lower sheave diameter: 1.5 in. (38mm). Working Load Limit: (WLL) 20 kN (4,496 lbs.), MBS: 100 kN (22,480 lbs.)

Hot forged aluminum side plates with rope friendly rounded cheeks and precision CNC machined aluminum sheaves with wide bend radii
Small sized lightweight arborist block accepts working lines up to 1/2” (13mm) diameter
Low profile, secure, easy-to-open captive screw pin lock with a high wall, a full diameter and improved anchor sling protection
The wide concave upper sheave accepts 5/8” anchor slings while flared sideplates reduce twisting in complex rigging scenarios
Working Load Limit: (WLL) 20 kN (4,496 lbs.) MBS: 100 kN (22,480 lbs.)

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Specifications

Sheave material

Aluminum

Maximum rope diameter

13 mm

Rec. use

Residential

Dimensions

4.70 x 2.70 x 3.00 in

Warranty

Warranty information

Lifetime warranty against defects in materials & workmanship

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