will the 5100a work for 8 or 10 AWG wire and lugs of the type provided with the "battery spot welding" kits?

These are meant for factorty tuck and roll cable ends

Will this work on molex open style connector pins

for larger wire sizes, maybe. you would need to look at actual Molex pins to see whats required on open style connector pins also keep in mind this tool is also between 8 and 10mm wide ( see pictures ) if the crimp length on the pin is shorter, you will be crushing the wire insulation also as a side note - if you are going to crimp a lot of connectors, I would get the table top model https://www.amazon.com/gp/product/B07VPHDXG5

What thinnest gauge can 5100A crimp?

The crimping tool goes from 5 amp to 100 amp lug. The five amp plug is real small the largest you would get largest would be 18 gauge wire 22 Gage wire would be the lowest gauge. This tool is very well made and worth the money.

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iCrimp Battery Cable Lug Crimping Tool for Open Barrel Lug for AWG 13-3

iCrimp Battery Cable Lug Crimping Tool for Open Barrel Lug for AWG 13-3

Product ID: 98737343

Details

Brand
IWISS
Color
Blue
Grip Type
Ergonomic
Handle Material
Alloy Steel
Item Weight
2.8 pounds

🔧Versatile jaw thickness

⚙️Precision EDM-cut jaws

🛡️Rust-resistant tool steel

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Description

🔩 Crimp like a pro — precision, power, and durability in your hands!

BUILT TO LAST - One-piece high-grade tool steel head with rust prevention ensures durability and longevity.
CERTIFIED FOR PRO USE - Calibrated for consistent performance on lead-free OEM and marine battery terminals.
ERGONOMIC POWER BOOST - 5 rivet joints and long alloy steel handles maximize leverage and minimize fatigue.
UNIVERSAL COMPATIBILITY - Engineered jaw thickness fits AWG 13-3 battery lugs from small to large effortlessly.
PINPOINT PRECISION CRIMPS - EDM-cut, polished jaws deliver flawless B-shape crimps every time.

The iCrimp Battery Cable Lug Crimping Tool (Model IWS-5100A) is a professional-grade hand tool designed for AWG 13-3 wires and 5A-100A open barrel lugs. Featuring precision EDM-cut jaws, rust-resistant high-grade steel construction, and ergonomic alloy handles, it ensures reliable, labor-saving crimps on lead-free OEM and marine battery terminals. Trusted by pros with a 4.6-star rating, it combines versatility and durability for consistent, high-quality results.

Specifications

ASIN	B07M5WKH5Y
Best Sellers Rank	#142,045 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #460 in Crimpers
Brand Name	IWISS
Color	Blue
Customer Reviews	4.6 4.6 out of 5 stars (182)
Grip Type	Ergonomic
Handle Material	Alloy Steel
Handle Type	Handle
Item Highlight	Lead-Free OEM Battery Terminals,B Type Crimper
Item Weight	2.8 pounds
Manufacturer	IWISS TOOLS
Model Number	IWS-5100A
Number of Items	1
Size	IWS-5100A(5A-100A)
Unit Count	1 Count

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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S/.331

Duties & taxes included

In stock

Sold byAmazon PeruDelivered 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 Peru.

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!

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