Slings, Extenders, Screamers & Daisy Chains

Slings, Extenders and Daisy Chains for climbing are all made of Nylon (polyamide) or Dyneema®/Spectra® (polyethylene) webbing.

Dyneema® is much stronger than nylon and polyester but less elastic. According to DMM, even a 60cm fall-factor 1 fall on to an open Dyneema® sling can generate enough impact force (16.7 kN) at the anchor to pull a Wallnut 11 wire (12 kN) apart. In fact nylon/polyester slings can also snap wires and both substances lose significant strength with wear, whilst pulling an abseil rope through a sling of either material can generate sufficient heat to weaken it or melt it completely.

It follows from this that slings and extenders should be replaced regularly (say every three years with normal use, but sooner if they look badly worn), that if you use slings in a belay system, that system should have no slack in it whatsoever, and that slings should never ever be used as a cheap via feratta clipping system. All slings should be inspected regularly and replaced if they show signs of excessive wear or damage.

Slings are measured by length, not circumference:

There is a good short film on slings on the DMM Website:

DMM 16mm Nylon Slings
Nylon-Sling-16mm---Black---Swatch Nylon-Sling-16mm---Red---Swatch DMM 16mm Nylon Sling
DMM 16mm Nylon Sling
From £5.99
10 + In Stock

Nylon slings rated at over 2 Tonnes (22kN). Ideal for situations where hard wear is expected.

Blue Ice 8mm Mission Sling Lite
Blue Ice 8mm Mission Sling Lite
From £9.50
9 In Stock

Extremely light slings with a tubular and variable weave construction.

DMM 8mm Dyneema Sling 60cm Purple
DMM 8mm Dyneema Sling
£8.50
10 + In Stock

Thin 8mm wide Dynatec slings that are just as strong (but not as hard wearing) as wider climbing slings. They are ideal for narrow thread protection and to slot behind flakes where there is little

DMM 11mm Dyneema Slings
Dynatec-Sling-11mm---Grey---Swatch Dynatec-Sling-11mm---Red---Swatch Dynatec-Sling-11mm---Orange---Swatch Dynatec-Sling-8mm---Blue---Swatch Dynatec-Sling-11mm---Green---Swatch Dynatec-Sling-11mm---Gold---Swatch Dynatec-Sling-11mm---Purple---Swatch
DMM 11mm Dyneema Sling
From £6.75
£7.50
Save 10%
10 + In Stock

Narrow dyneema slings in 11mm Dynatec tape. Much lighter than standard nylon slings. Three lengths.

DMM Dynatec 8mm x 400cm Cordlette Sling Blue
DMM Dynatec 8mm x 400cm Cordlette Sling Blue
£26.99
£29.99
Save 10%
4 In Stock

Cordelette sling is designed for use in equalising several belays to a central point.

Black Diamond 13mm Dynex Rabbit Runner 110cm
Black Diamond 13mm Dynex Rabbit Runner 110cm
£18.00
1 In Stock

A single strand "Snake" sling for threads in particular. 110cm long and very light (35g)

Blue Ice Alpine Runner
Blue Ice Alpine Runner
From £13.50
£15.00
Save 10%
10 In Stock

A snake sling available in four colour coded lengths.

Beal 10mm Dyneema Slings
Beal 10mm Dyneema Sling
From £6.30
£7.00
Save 10%
Out of Stock

Narrow Dyneema slings in 10mm tape from Beal. Three lengths.

Mammut Contact 8mm Dyneema Sling Red
ContactSlingRedSwatch ContactSlingBlueSwatch ContactSlingDarkBlueSwatch
Mammut Contact 8mm Dyneema Sling
From £10.00
10 + In Stock
Amazing ultralight full strength (22kN) Dyneema slings roughly 8mm wide.
Mammut Magic Sling 60cm Red
ContactSlingRedSwatch ContactSlingBlueSwatch
Mammut Magic Sling
From £14.00
8 In Stock

A sling made with a core of twisted Dyneema yarn surrounded by a tough abrasion-proof sheath.

Edelrid Tech Web Sling 60cm Oasis
TechWebSling60cmSwatch TechWebSling120cmSwatch
Edelrid 12mm Tech Web Sling
From £8.99
10 + In Stock

Combines the low weight and high strength of Dyneema with the abrasion resistance of polyamide.

Edelrid Aramid Cord Sling 120cm Blue
TechWebSling120cmSwatch TechWebSling60cmSwatch Edelrid Aramid Cord Sling
Edelrid Aramid Cord Sling
From £13.50
£15.00
Save 10%
10 + In Stock

Unusual sewn slings made of 6mm Aramid cord. Excellent for thread placements.

Beal Dynaloop 8.3mm Rope Slings
DynaloopYellowSwatch DynaloopBlueSwatch DynaloopPinkSwatch
Beal Dynaloop 8.3mm Rope Sling
From £10.12
£11.25
Save 10%
6 In Stock

An 8.3mm dynamic rope sling for clipping in, equalising a belay or extending an anchor point.

Beal Dynaclip
Beal Dynaclip
From £18.00
£21.00
Save 14%
4 In Stock

Rope lanyard designed to clip into a belay and set up a top rope/lower off at the end of a single pitch sport route.

Beal Dynaconnexion 40cm-80cm
Beal Dynaconnexion 40cm-80cm
£23.00
£27.00
Save 15%
Back Order

Sewn dynamic rope lanyard/sling designed to shortlink into a belay point, particularly on sport routes.

Beal Jammys
Beal Jammy
From £12.50
9 In Stock

The Beal Jammy is a sewn Prusik Loop made from 5.5mm cord - three lengths.

DMM 11mm Dyneema Express Closed Loop Extender
Dynatec-Sling-11mm---Grey---Swatch Dynatec-Sling-11mm---Red---Swatch
DMM 11mm Dyneema Express Closed Loop Extender
From £3.99
10 + In Stock

Closed sling Express type extenders with extra stitching and a rubber insert. Three lengths.

DMM 11mm Dyneema Open Loop Extenders
DMM 11mm Dyneema Open Loop Extenders
£4.99
10 + In Stock

Open sling 30cm extenders that make a floppy quickdraw that is less likely to lift the gear out.

Mammut Contact 8mm Dyneema Extender 30cm Red
Mammut Contact 8mm Dyneema Extender 30cm
£7.00
10 + In Stock

Amazing ultralight full strength (22kN) Dyneema 30cm extender roughly 8mm wide. B

Petzl Express
Petzl Express
From £4.00
10 + In Stock

Probably the best climbing wall and sport route extenders. Available in three lengths.

Petzl Expresses
Petzl Express (2022 version)
From £2.65
£5.30
Save 50%
Out of Stock

Probably the best climbing wall and sport route extenders. Available in three lengths.

Petzl Finesse Extenders
Petzl Finesse Extender
From £6.00
10 + In Stock

Very light Dyneema stitched express extender. 10cm and 17cm.

Yates Shorty Screamer
Yates Shorty Screamer
£31.99
10 + In Stock

The Shorty screamer offers the same properties as the standard Screamer but is more compact.

Yates Zipper Screamer
Yates Zipper Screamer
£38.95
2 In Stock

Gives the greatest reduction in peak loading of all Yates's screamers, 4-8kN.

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