why has this been marked down to $9.50 from $141.10?

because it's obviously a type of 14.10. Anyone who paid $141 for lube has way too much money, and I have a bridge I'd like to sell them.

The listing states that this is for rust & corrosion protection but all the reviews talk about it as a lubricant. Does it prevent rust & do it well???

Yes, T-9 is a premium rust inhibitor as well as a lubricant!

Is all Boeshield T9 the same? Specifically, Is this the same formula as the T9 that is sold as a waterproof gun oil in a different bottle?

Yes. Anything that has the Boeshield T-9 label, is the same product.

The item as pictured is 4 oz. in the spec details it is 3.2 oz. which is it?

My bottle recently received says 4 oz.

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Description

🚴‍♂️ Glide through every ride with Boeing-engineered waterproof power!

ALL WEATHER WARRIOR - Works wet, dry, or dirty—your bike’s ultimate shield
MULTI SURFACE MASTER - Safe on metal, paint, plastics & vinyl—versatility that fits your lifestyle
EFFORTLESS RUST DEFENSE - Penetrates deep to loosen rust and protect moving parts for months
BOEING GRADE RELIABILITY - Developed for aircraft, trusted by serious cyclists
DIRT REPELLING WAX FINISH - Dries to a thin, clean paraffin wax film that won’t attract grime

Boeshield T-9 Waterproof Lubricant is a premium, aircraft-developed formula that cleans, lubricates, and protects bike chains and metal parts. It displaces moisture, loosens rust, and dries to a durable waxy film that lasts 150-200 miles per application, ensuring superior performance in all conditions—from wet trails to dusty roads.

Specifications

Material	Metal
Brand	Boeshield
Package Information	Bottle
Liquid Volume	4 Fluid Ounces
Item Weight	68 Grams
Recommended Uses For Product	Lubricant
Item Form	Liquid
Global Trade Identification Number	00738481901041
Manufacturer	Boeshield
Unit Count	4.0 Ounce
UPC	738481901041
Number of Items	1
Item Package Dimensions L x W x H	5.75 x 1.57 x 1.54 inches
Package Weight	0.12 Kilograms
Item Dimensions LxWxH	1.65 x 1.65 x 5.71 inches
Brand Name	Boeshield
Warranty Description	Boeshield
Model Name	T90104
Color	Original Version
Suggested Users	""
Part Number	LU4500
Included Components	lubricant
Size	Original version
Sport Type	Cycling

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