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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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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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

📏Fits ties up to 15/32 in wide

🛠️Works with 120-250 lb rated ties

R1472

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Tighten with confidence, finish like a pro!

ERGONOMIC COMFORT GRIP - Designed with handle grips that reduce hand fatigue during extended use.
TIME SAVING EFFICIENCY - Speeds up cable management tasks while ensuring a clean, professional finish with every tie.
HEAVY DUTY COMPATIBILITY - Engineered to work seamlessly with high-strength ties rated from 120 to 250 pounds.
PRECISION TENSION CONTROL - Delivers consistent 65-pound tension for flawless cable tie installation every time.
PROFESSIONAL GRADE DURABILITY - Built with premium nylon and backed by Klein’s 160+ years of trusted craftsmanship.

The Klein Tools 86570 Tie Tensioning Tool is a robust, nylon-built device designed for professionals who demand precision and durability. It applies up to 65 pounds of tension on cable ties rated between 120 and 250 pounds, fitting ties up to 15/32 inches wide. Featuring ergonomic handle grips for comfort and engineered for consistent, clean cuts, this tool elevates cable management tasks across electrical, HVAC, automotive, and industrial projects. Trusted by pros for over 160 years, Klein Tools delivers unmatched quality and reliability in every use.

Specifications

ASIN	B004G3RO5G
Best Sellers Rank	#30,486 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #24 in Tie-Down Ratcheting
Brand Name	KLEIN TOOLS
Color	Factory
Country of Publication	Taiwan
Customer Reviews	4.7 4.7 out of 5 stars (2,537)
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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R1472

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered 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 South Africa.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Best international shipping I've ever tried. Worth every penny!

3 days ago

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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