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 inch

🛠️Works with 120-250 lb rated ties

B/.154

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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.
HEAVY DUTY COMPATIBILITY - Optimized for ties rated between 120 to 250 pounds, perfect for industrial-grade projects.
PRECISION TENSION CONTROL - Delivers consistent 65-pound tension for flawless cable tie installation every time.
TRUSTED LEGACY CRAFTSMANSHIP - Backed by Klein Tools’ 160+ years of American-made quality and durability.
PROFESSIONAL FINISH EVERY TIME - Ensures clean, safe cuts on excess tie ends—no sharp edges, no risks.

The Klein Tools 86570 Tie Tensioning Tool is a robust nylon hand tool engineered to apply up to 65 pounds of tension on cable ties rated from 120 to 250 pounds. It accommodates ties up to 15/32 inch wide and features ergonomic handle grips for comfort during prolonged use. Trusted by professionals for over 160 years, this tool guarantees consistent, clean, and safe cable tie installations across electrical, HVAC, automotive, and industrial applications.

Specifications

ASIN	B004G3RO5G
Best Sellers Rank	#53,506 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #51 in Tie-Down Ratcheting
Brand	KLEIN TOOLS
Brand Name	KLEIN TOOLS
Color	Factory
Colour	Factory
Country of Publication	Taiwan
Customer Reviews	4.7 out of 5 stars 2,538 Reviews
Global Trade Identification Number	00092644865701
Included Components	Tools
Item Type Name	Nylon Tie Tensioning Tool
Item Weight	322 g
Manufacturer	KLEIN TOOLS
Manufacturer Part Number	86570
Material	Nylon
Material Type	Nylon
Maximum Diameter	1.2 Centimeters
Maximum diameter	1.2 Centimeters
Model Number	86570
Number of Pieces	1
Number of pieces	1
Product Style	Tensioning tool
Style	Tensioning tool
Tensile Strength	65 Pounds
UPC	092644865701
Unit Count	1 Count

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B/.154

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered 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 Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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

5 days ago

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