What are the main advantages of the OK Screw Lock oval carabiner compared to other types of carabiners?

The OK Screw Lock oval carabiner offers a symmetrical shape that allows for optimal positioning of devices such as pulleys and ascenders, improving safety and efficiency in use. It is lightweight thanks to the aluminum construction and easy to maneuver, ideal for various rope and climbing situations.

How does the Screw-Lock locking system work and what are its benefits?

The Screw-Lock system allows you to open and close the carabiner easily, ensuring secure or temporary locking as needed. The red visual indicator shows when the carabiner is not locked, offering an additional level of security, ideal for dirty environments or difficult conditions.

What is the load capacity and safety certification of the OK Screw Lock oval carabiner?

The OK Screw Lock oval carabiner is made of CE EN 12275 and UIAA certified aluminium, guaranteeing high standards of safety and reliability. Its load capacity is designed to support high loads in climbing, rescue and industrial use applications.

In which situations is the use of the oval carabiner particularly suitable?

The use of the oval carabiner is ideal in situations that require precise positioning of large-section devices, such as pulleys and ascenders, during climbing, mountaineering and work at height activities. Its shape and locking system offer safety and convenience in challenging environments.

How do I care for and maintain the OK Screw Lock oval carabiner to ensure its durability?

To keep your carabiner in tip-top condition, clean it gently with water and a non-abrasive cleaner after each use, and dry it completely. Avoids the use of solvents or aggressive chemical products that could damage the aluminum and paintwork, thus ensuring long life and reliability.

Oval carabiner: Adjustable lightweight aluminum carabiner

Name: OK Screw Lock
Brand: Petzl
SKU: M33A.SL
Price: 14.4 EUR
Availability: InStock

Lightweight oval aluminum carabiner with Screw-Lock locking system for pulleys and ascenders

€16,00 €14,40

Tax included. Shipping calculated at checkout.

Spedizioni rapida in Italia, Europa, USA, Giappone

Low stock - 4 items left
Backordered, shipping soon

Oval carabiner for use with pulleys and ascenders

Lightweight aluminum carabiner, with an oval and symmetrical shape that allows you to optimally position large-section devices such as pulleys, ascenders and blocking pulleys. Available in three locking system versions (SCREW-LOCK, TRIACT-LOCK and BALL-LOCK).

Description
Oval and symmetrical shape that allows you to optimally position large-section devices such as pulleys, ascenders and blocking pulleys.
Makes maneuvers easier:
- fluid internal design to reduce the risk of stable point and facilitate the rotation of the carabiner,
- Keylock system to avoid involuntary hooking of the carabiner,
- the H-section contributes to better grip, protects the markings from abrasion and reduces weight.

- SCREW-LOCK: easy opening system, lockable or not depending on the user's needs. A red visual indicator indicates when the carabiner is not locked. This system is suitable for difficult environments where impurities (mud, frost) could jam an automatic locking system,

Specifications
Materials: aluminium
Certification(s): CE EN 12275, UIAA

Spedizione rapida in 24/48 ore.

Shipping details

Resi e Rimborsi

[{"id":42780908552411,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"M33A.SL","requires_shipping":true,"taxable":true,"featured_image":{"id":52812442042699,"product_id":7652130586843,"position":1,"created_at":"2024-03-24T13:47:22+01:00","updated_at":"2026-03-20T14:38:07+01:00","alt":"Lightweight oval aluminum carabiner with Screw-Lock locking system for pulleys and ascenders","width":800,"height":800,"src":"\/\/www.bshopzone.it\/cdn\/shop\/files\/ok-screw-lock-m33asl-946636.jpg?v=1774013887","variant_ids":[42780908552411]},"available":true,"name":"OK Screw Lock","public_title":null,"options":["Default Title"],"price":1440,"weight":0,"compare_at_price":1600,"inventory_management":"shopify","barcode":"3342540815810","featured_media":{"alt":"Lightweight oval aluminum carabiner with Screw-Lock locking system for pulleys and ascenders","id":45494251782475,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.bshopzone.it\/cdn\/shop\/files\/ok-screw-lock-m33asl-946636.jpg?v=1774013887"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

{"id":42780908552411,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"M33A.SL","requires_shipping":true,"taxable":true,"featured_image":{"id":52812442042699,"product_id":7652130586843,"position":1,"created_at":"2024-03-24T13:47:22+01:00","updated_at":"2026-03-20T14:38:07+01:00","alt":"Lightweight oval aluminum carabiner with Screw-Lock locking system for pulleys and ascenders","width":800,"height":800,"src":"\/\/www.bshopzone.it\/cdn\/shop\/files\/ok-screw-lock-m33asl-946636.jpg?v=1774013887","variant_ids":[42780908552411]},"available":true,"name":"OK Screw Lock","public_title":null,"options":["Default Title"],"price":1440,"weight":0,"compare_at_price":1600,"inventory_management":"shopify","barcode":"3342540815810","featured_media":{"alt":"Lightweight oval aluminum carabiner with Screw-Lock locking system for pulleys and ascenders","id":45494251782475,"position":1,"preview_image":{"aspect_ratio":1.0,"height":800,"width":800,"src":"\/\/www.bshopzone.it\/cdn\/shop\/files\/ok-screw-lock-m33asl-946636.jpg?v=1774013887"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}