will this work on a 3/4in loc line ball valve?

This model is for 1/4 inch hose they make one for 3/4 inch hose. The valve will have an NPT and a snap on the other the 3/4 inch hose pliers is at https://www.amazon.com/Loc-Line-78004-Hose-Assembly-Pliers/dp/B0025PUF1M/ref=sr_1_17?gclid=Cj0KCQiA-qGNBhD3ARIsAO_o7ykQ0P-6cnGP7cuE91XITp1lLlKzlDx1E2H3kmR7fVatx8HcyleMR74aAu9tEALw_wcB&hvadid=409959260398&hvdev=c&hvlocphy=9027743&hvnetw=g&hvqmt=b&hvrand=16941392670538074310&hvtargid=kwd-327306091120&hydadcr=24658_11410763&keywords=3%2F4+inch+loc+line&qid=1638453487&sr=8-17

The ball is in ball end and socket is in socket, but I cant get them to snap lock. It looks like the plyer fingers splay out with pressure. Why?

I think you may have them reversed. Last time I used this, it seemed to work when I put the ball end in the socket labeled side of the pliers and vice versa. try that. Good luck '

Can someone measure between the "spokes" on these? Im trying to find something that will work with plastic doll armature that looks like this tubing.

These pliers are intended specifically for Loc-Line's 1/2" coolant hose system, so we cannot confirm or deny that they will work in your application. That being said, the width of the opening on the working end, varies from .60" to .75". I believe that is the dimension you're looking for.

How do I use these to disconnect pieces??

Insert the tool in between two connecting pieces and apply pressure to the tool handle. Further videos can be found online

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Loc-Line - 78001 Coolant Hose Assembly Pliers, for 1/4" Coolant Hose System

Product ID: 279357057

Details

Brand
Loc-Line
Colour
Blue
Handle material
Plastic
Material
Plastic
Product dimensions
15L x 8W

💧Corrosion & moisture resistant acetal copolymer

🔧Precision 15cm length for tight spaces

♻️RoHS & REACH compliant eco-safe plastic

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Description

🔧 Master your modular coolant setup with precision and style!

COMPACT LIGHTWEIGHT - At just 0.22 lbs and 15 cm long, it fits comfortably in your toolkit for on-the-go precision work.
ECO CONSCIOUS COMPLIANCE - Meets strict RoHS and REACH standards, so you can work responsibly without compromising performance.
EFFORTLESS HOSE ASSEMBLY - Designed specifically for Loc-Line modular coolant hoses, ensuring seamless assembly and disassembly without damage.
TRUSTED BY PROFESSIONALS - Backed by Lockwood Products’ legacy since 1981 and a 4.4-star rating from nearly 700 users.
DURABLE BLUE ACETAL PLASTIC - Crafted from corrosion-resistant acetal copolymer that withstands moisture and harsh workshop environments.

The Loc-Line 78001 Coolant Hose Assembly Pliers are precision-engineered tools made from blue acetal copolymer plastic, designed to assemble and disassemble Loc-Line modular coolant hoses efficiently. Resistant to corrosion and moisture, lightweight, and compliant with international safety standards, these pliers offer durability and eco-conscious reliability trusted by professionals since 1981.

Specifications

ASIN	B006R9OT8M
Brand Name	Loc-Line
Color	Blue
Customer Reviews	4.4 4.4 out of 5 stars (691)
Cutting width	0.64 Centimeters
Global Trade Identification Number	00662633780010
Grip Type	Plastic
Handle Material	Plastic
Item Dimensions L x W	15L x 8W centimeters
Item Weight	0.22 Pounds
Manufacturer	Lockwood Products
Manufacturer Part Number	78001
Material Type	Plastic
Model Number	78001
Set Name	Loc-Line
Specific Uses For Product	hose_clamp
Specification Met	RoHS
UPC	662633780010
Unit Count	1 Count

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248.13 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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