Mechanical Cable Splice

$ 6.00
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Size & Type:
1/4" Aluminum Sleeve & Thimble

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Are you thinking about getting a custom zip line cable?   You've probably noticed our cable kits and zip line kits all have one end that comes with a loop already on it.  Now you can have a custom length of cable and we are happy to put a loop on one end for you.  We call it a mechanical cable splice or swage for short.  Essentially, this makes installation just a little bit easier because you can quickly connect the main zip line cable to one of your turnbuckle.  The mechanical splice includes a thimble and a sleeve that we crimp together with a heavy-duty swaging machine.  


  • Cable slings have two splices, but they usually don't include Thimbles
  • Zip Line Cable can have a splice on one end, but the second end will need to be looped by you at the time of installation
  • Guy wires can have a splice and they usually need to have a thimble, the second end will need to be looped by you upon installation (be sure to get another thimble for this end).

Don't forget your cable! 

Note:  For a custom zip line cable, match the gauge of the splice with the gauge of your raw cable.  If you want a custom cable sling, match your gauges and select mechanical cable splice for a custom cable sling in the drop down menu.

If you're not sure about something, feel free to give us a shout on the phone (888-476-3701) or through a chat; we're happy to walk you through each step of the process, from picking the right gear to installation.


Not only do you get the parts you need, but you get the very best customer service in all the land.
If you're not happy, send it back for a full refund within one year.

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How do I measure elevation change in my backyard?

Please refer to the manual that comes with your kit for specific installation instructions. 

Stand at the end tree and hold a 4 FT Carpenter’s Level like a rifle.  Holding one end up to your eye, point the opposite end at the base of the starting tree, right where the dirt and tree meet. Make sure the bubble is between the two hashes indicating level (crouch down if your yard has a minimal slope or climb a ladder if your yard has lots of slope).  

Once you have the level aiming at the base of the starting tree, measure from the Carpenter’s Level down to the ground.  This measurement is your natural elevation change.

If you have questions, please do not hesitate to give us a call at 888-476-3701

How do I figure out the slope for my zip line?

Please refer to the manual that comes with your kit for specific installation instructions.

The slope determines the speed of the zip line. Essentially this is the angle you set the cable at between the two trees. The slope is calculated by multiplying the distance between your trees times .03 or 3%.

More details on Slope can be found in the Zip Line Gear handbook included with your purchase. You can also view a digital version of the “Cable Slope & Sag” right here. We recommend finding a landscape with a natural slope of 3% to 6%, This is a 3’ - 6’ foot drop per 100’ feet. 

For zip lines that will NOT utilize a Bungee Brake System, (a Stop Block is NOT a braking system) the maximum allowable slope is 3%. For zip line setups that include a Bungee Brake, the maximum allowable slope is 6%. 

!!WARNING!! Zip line must never exceed 6% (6’ foot drop per 100’ feet) riding slope. High speed collision with end point may cause injury or death.

I don't have trees. Can I use posts?

Yes you can, but you need to carefully read the instructions for how to select, and install posts in the Backyard Zip Lines handbook included with your purchase. Alternatively, you can review the information in the digital version of our handbook right here.

If you are in any doubt as to how to properly select and install a wood post, please do not hesitate to contact us at 888-476-3701.

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