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DMM Ultra O Screwgate

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The DMM Ultra O Screwgate is an extremely symmetrical oval climbing carabiner, ideal for use with assisted belay devices, pulleys, swivels and shackles. 

Some oval carabiners are not as symmetrical as others, making them less useful for their designed purpose. The DMM Ultra O is one of the most oval shaped biners available and performs particularly well in a 'big wall' environment, and any other situations where the carabiner needs to allow the attachment points to be centralised and hang straight. 

Features

  • Oval shaped locking biner for rigging stability and central positioning of attachments
  • Ideal for pulley systems and aid climbing
  • Strong and lightweight I-Beam construction
  • Keylock nose to help prevent snagging
  • Generous rope radius

Specification

  • Gate Clearance mm: 22
  • Gate Closed kN: 25
  • Gate Open kN: 7
  • Keylock: No
  • Minor Axis kN: 12
  • Width Widest mm: 66
  • Length: 109mm
  • Material: Alloy
  • Weight: 67g

Customer Reviews

5 Based on 6 reviews
5 Star
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6
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BG
09/26/2019
Brendan G.
Ireland Ireland

rounded out!

perfect for the ascender as its equal shape on each end preventing it from getting caught in the ascender as other biners get stuck and caught in the top hole. perfect combo

JA
04/25/2018
John A.
United Kingdom

DMM Ultra O Screwgate

An excellent aid biner at an excellent price, used with Ropeman 1 as a lightweight alternative to a Prussic

RF
03/07/2018
Reg F.
United Kingdom

DMM Ultra 0 carabiner

Good bit of kit; good price for a superb item..

R
12/17/2017
Ruth
UK

Lightweight perfect oval

Exactly what you want from a lightweight oval

A
01/24/2013
Alex

Good carabiner

Its so good, its not even funny