Grade 100 Master Link with Integrated Shortening Hook, MLS type
No.505028
The Grade 100 Master Link with Integrated Shortening Hook (MLS Type) is a streamlined top rigging component designed specifically for 1-leg chain sling applications.
Fully Integrated Design: Combines a solid master link with a single built-in eye grab hook, completely eliminating the need for separate connecting hardware and reducing sling weight.
Dual-Purpose Hook: The integrated grab hook functions simultaneously as a direct chain connector and an efficient shortening hook for quick length adjustments.
Grade 100 Strength: Forged from premium alloy steel, offering a 4:1 safety factor and up to 25% higher lifting capacity than standard Grade 80 equivalents.
Industrial Durability: Manufactured to meet EN 1677 standards, proof-tested to 2.5 times the Working Load Limit (WLL), and finished with a durable powder coating for corrosion resistance.
Grade 100 Master Link with Integrated Shortener - 1-Leg MLS Type
All-in-One Adjustable 1-Leg Sling Solution
Grade 100 Alloy SteelIntegrated Grab HookAdjustable Leg LengthLow Headroom
*Integrated hook simplifies 1-leg sling assembly
Product Features
Dedicated 1-Leg Design: The ideal top assembly for Single-Leg Chain Slings. It combines the master link and the shortening function into one sleek component.
Integrated Simplicity: Features a single shortening hook (grab hook) forged directly onto the master link. This design eliminates the need for a separate connecting link and grab hook, reducing the sling's weight and complexity.
Instant Adjustment: Allows the operator to quickly adjust the length of the single chain leg to suit varying lifting heights or to choke the load securely.
Maximized Headroom: By removing extra connecting hardware, the MLS link offers the shortest possible "headroom" (distance from the crane hook to the load), perfect for confined spaces.
Grade 100 Strength: Made from Grade 100 Alloy Steel, offering 25% greater capacity than Grade 80 components.
Full Link Support: The integrated hook pocket is designed to fully support the chain link, ensuring 100% WLL capacity without deformation.
Building an Adjustable 1-Leg Sling: The Comparison
Method
Complexity
Advantage
Integrated (MLS) (This Product)
1 Component
Clean & Simple. No loose parts. Shortest vertical length. Perfect for quick lifting jobs.
Traditional Build (Separate Parts)
3+ Components (Ring + Connector + Hook)
Modular. Allows replacing parts if one breaks, but adds unnecessary weight and length.
Technical Specifications
Item No.
Chain Size (mm)
WLL (ton)
Master Link Dimensions (mm)
Included Shortener
Weight (kg)
Product Code
A
B
D
10-MLS-06
6
1.4
110
60
13
10-EGC-06
0.64
505028006
10-MLS-08
8
2.5
120
70
14
10-EGC-08
1.12
505028008
10-MLS-10
10
4
140
80
17
10-EGC-10
2.08
505028010
10-MLS-13
13
6.7
160
95
22
10-EGC-13
3.84
505028013
10-MLS-16
16
10
190
110
25
10-EGC-16
6.75
505028016
10-MLS-20
20
16
230
130
32
10-EGC-20
13.47
505028020
Grade 100 Sling Components
Grade 100 Sling Components are high-strength alloy steel lifting accessories designed for heavy-duty lifting applications. Compared with Grade 80, Grade 100 offers higher working load limits (WLL) at the same size, or the same WLL with a smaller, lighter component.
What Does "Grade 100" Mean?
High-Strength Alloy: Heat-treated, quenched, and tempered steel.
Increased Capacity: Typically 25% higher WLL than Grade 80.
Safety Factor: Minimum breaking force ≈ 4 × WLL.
Standards: EN 818-4 / EN 818-6, ASTM equivalents.
Common Sling Components
1. Master Links
Used to connect the sling to the crane hook.
Master Link (ML)
Master Link Assembly (2-leg, 3-leg, 4-leg)
Pear-shaped master links
2. Hooks
End fittings for attaching loads.
Clevis Self-Locking Hook (Common)
Eye Self-Locking Hook
Sling Hook with Latch
Foundry Hook
Shortening Hook (Eye/Clevis)
3. Connecting Links
Used to join chain or components.
Clevis Connector
Hammerlock / Coupling Link
Repair Link (Special use only)
4. Special Components
For complex rigging scenarios.
Swivels (Bearing/Non-bearing)
Chain Adjusters
Lifting Rings (Rotating)
Grab Hooks
Grade 80 vs Grade 100 (Quick Comparison)
Item
Grade 80
Grade 100
Relative Strength
Base
+25% Higher
Sling Weight
Heavier
Lighter
Typical Marking
G80 / 8
G100 / 10
Cost
Lower
Higher
Identification & Markings
Every Grade 100 component must be clearly marked with:
Grade: G100 or 10
Manufacturer's Mark
Size or WLL
Traceability Code (Batch / Heat Number)
⚠️ Safety & Compatibility Warning
❌ NEVER mix Grade 100 with Grade 80 components in the same sling assembly.
✅ Use only Grade 100 chain + Grade 100 fittings together.
Regularly inspect for wear (>10%), cracks, deformation, heat damage, or corrosion.
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