what is the min. thickness tool can handle ? should there be a space between the clamp bar and the inside tool face?

I've used this tool to tighten the smallest zip ties. I believe the answer to your second question is no. I prefer this tool to one I have that sets a spring tension.

Will this work on 1/8 inch diameter fuel connections on a boat?

I'm not really sure what you mean by 1/8" connections on a boat. This is a nylon bander. It will not work with metal bands if that's what you're referring to.

Will these work with large hvac pull ties?

Yes that is what I purchased them for and they worked great

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Klein Tools 86570 Tie Tensioning Tool, for Ties Rated at 120 to 250-Pound, Supplies up to 65-Pound of Tension, Handle Grips for Comfort

Product ID: 345879210

Details

Brand
KLEIN TOOLS
Colour
Factory
Material
Nylon
Maximum diameter
1.2
Style
Tensioning

💪65 lbs max tension

📏15/32-inch max tie width

🛠️120-250 lbs tie rating

32529 Ft

Duties & taxes included

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Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🛠️ Tension like a pro — Klein Tools keeps your ties tight and your projects tighter!

COMFORT DRIVEN DESIGN - Ergonomic handle grips reduce hand fatigue, making long jobs easier and more efficient.
COMPACT LIGHTWEIGHT - Weighing just 0.71 lbs, it’s easy to carry and maneuver on any job site without bulk.
VERSATILE COMPATIBILITY - Works seamlessly with ties rated between 120 to 250 pounds, covering a broad range of heavy-duty applications.
TRUSTED LEGACY CRAFTSMANSHIP - Backed by Klein Tools’ 160+ years of American-made quality and durability professionals rely on.
POWERFUL PRECISION TENSIONING - Delivers up to 65 lbs of controlled tension for secure, professional results every time.

The Klein Tools 86570 Tie Tensioning Tool is a durable, nylon-built manual tensioner designed for cable ties rated 120-250 lbs. It supplies up to 65 lbs of tension with ergonomic grips for comfort, ensuring secure fastening in demanding professional environments. Lightweight and precise, it embodies over 160 years of trusted Klein craftsmanship.

Specifications

ASIN	B004G3RO5G
Best Sellers Rank	#88,570 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #89 in Tie-Down Ratcheting
Brand Name	KLEIN TOOLS
Color	Factory
Country of Publication	Taiwan
Customer Reviews	4.7 4.7 out of 5 stars (2,541)
Global Trade Identification Number	00092644865701
Included Components	Tools
Item Type Name	Nylon Tie Tensioning Tool
Item Weight	0.71 Pounds
Manufacturer	KLEIN TOOLS
Manufacturer Part Number	86570
Material Type	Nylon
Maximum Diameter	1.2 Centimeters
Model Number	86570
Number of Pieces	1
Product Style	Tensioning tool
Tensile Strength	65 Pounds
UPC	092644865701
Unit Count	1 Count

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32529 Ft

Duties & taxes included

In stock

Sold byAmazon HungaryDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hungary.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The product quality is outstanding. Exactly what I needed for my work.

1 month ago

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