Think this tool would work to free an aluminum bicycle seat tube that is frozen in a steel frame?

Possibly. The issue is that the aluminum is soft and has probably sieged against the steel by a corrosive action where the two metals become one. You might want to try using something like liquid wrench to reverse the corrosion effect? This tool would likely crush the aluminum.

where is this tool manufactured?

I think in the USA it’s a good quality tool. I use it often and holds up well

can i use this to open a tank 7 inch in diamater??

You'll need a chain extension of at least ~4" for a 7" diameter object since it only comes with 18" of chain. Use the formula for the circumference of a circle, diameter x 3.14

How narrow can it adjust to? I have a 2-foot long drill bit stuck in the floor against a wall (at baseboard). Would this be able to wrap around such?

I reckon the Vise Grip with chain could solve your problem, but it will be easier by using a conventional Vise Grip to grab the drill shank, and wriggle it back and forth.

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Vise-Grip9-Inch Locking Chain Clamp (27)

Product ID: 286942219

Details

Brand
IRWIN
Colour
Metallic
Item dimensions L x W x H
15 x 8 x 20
Material
Alloy Steel
Style
Classic

🔗Locks around any shape up to 18" circumference

⚙️Turn screw for precise pressure adjustment

🛠️High-grade heat-treated alloy steel durability

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Bs.1143

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Description

🔧 Lock in your edge with IRWIN’s unstoppable chain clamp!

BUILT TO ENDURE - Crafted from heat-treated alloy steel to withstand heavy-duty use and leverage.
TRUSTED BY PROS - Highly rated and proven reliable for tough jobs like pipes, oil filters, and odd parts.
EFFORTLESS RELEASE - Classic trigger mechanism delivers maximum locking force with easy unlocking.
UNIVERSAL GRIP MASTERY - Chains lock securely around irregular shapes for unmatched versatility.
PRECISION PRESSURE CONTROL - Turn screw lets you dial in exact clamping force, perfect for repetitive tasks.

The IRWIN Vise-Grip 9-Inch Locking Chain Clamp is engineered for professionals needing a versatile, durable clamp that adapts to any shape up to 18 inches in circumference. Featuring a heat-treated alloy steel build, adjustable turn screw for precise pressure, and a classic trigger release, it delivers reliable, repeatable clamping power for demanding projects.

Specifications

ASIN	B00004SBCB
ASIN	B00004SBCB
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#17,660 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #25 in Pipe Clamps
Color	Metallic
Customer Reviews	4.7 4.7 out of 5 stars (831)
Customer reviews	4.7 4.7 out of 5 stars (831)
Date First Available	27 September 2017
Date First Available	27 September 2017
Department	Tools
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	454 g
Item model number	27ZR
Item model number	27ZR
Manufacturer	IRWIN
Manufacturer	IRWIN
Material	Alloy Steel
Number Of Pieces	1
Part number	27ZR
Product Dimensions	15 x 8 x 20 cm; 453.59 g
Product Dimensions	15 x 8 x 20 cm; 453.59 g
Size	Pack of 1
Style	Classic

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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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TrustScore 4.5 | 7,300+ reviews

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Bs.1143

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered 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 Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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

5 days ago

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