how do you use it it never came with instructions

You can find more information and download a PDF version of an instruction sheet at this link, https://www.homeright.com/products/viscosity-cup-for-the-finish-max-sprayer. If you would like more information or would like to discuss this feel free to call us at 1-800-264-5442.

Is this specific to a certain paint gun?

No. You just dip it in the paint and then count how fast it’s running through

What's the diameter of the hole at the bottom of the cup? Amazon is currently sold out but there are similar cups for sale here.

I measure it an 1/8 of an inch or 3.5 mm.

Is this equivalent to a Ford #4 viscosity cup?

Ford viscosity cups are named by the size of the hole diameter. Ford #4 has a 4 mm diameter opening. This product has a 3.5 mm diameter, so it's close but not exact. If you use the times the manufacturer provides you should be fine.

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HomeRight C900205M Viscosity Paint Consistency Measuring Cup

Product ID: 422374984

Details

Brand
HOMERIGHT
Colour
White
Item weight
0.04 Kilograms
Material
Plastic
Recommended uses for product
Painting

🎨Optimizes paint spray finish

⏱️Precise flow timing

⚖️Measures viscosity accurately

¥4836

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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Description

🎯 Nail the perfect spray finish with precision timing!

EFFORTLESS PRECISION - Simple gravity-based design for reliable, repeatable measurements
COMPACT LIGHTWEIGHT - Hand-powered, portable tool that fits seamlessly into your toolkit
MASTER YOUR SPRAY GAME - Dial in perfect paint thickness for flawless finishes every time
SPEEDY VISCOSITY CHECK - Quickly time paint flow to avoid spatter and uneven coats
UNIVERSAL COMPATIBILITY - Works with paints, varnishes, stains, inks, syrups & more

The HomeRight C900205M Viscosity Paint Consistency Measuring Cup is a lightweight, hand-powered tool designed to measure the flow time of paints and coatings. By timing how long it takes for a coating to drain from the cup, professionals can accurately gauge viscosity to ensure optimal spray performance and smooth, spatter-free finishes. Compatible with a wide range of liquids, this simple yet essential tool helps painters and DIYers achieve flawless results every time.

Specifications

ASIN	B07HCT4FJD
Best Sellers Rank	#163,413 in Kitchen ( See Top 100 in Kitchen ) #762 in Measuring Cups
Brand Name	HOMERIGHT
Color	White
Country of Publication	Taiwan
Customer Reviews	4.6 4.6 out of 5 stars (939)
Global Trade Identification Number	00012564002055
Included Components	Viscosity Cup
Item Type Name	Sprayer
Item Weight	0.04 Kilograms
Manufacturer	HomeRight
Manufacturer Part Number	C900205.M
Material Type	Plastic
Model Name	HomeRight C900205M Viscosity Paint Consistency Measuring Cup
Model Number	C900205M
Number of Items	1
Power Source	Hand Powered
Recommended Uses For Product	Painting
Style Name	Modern
UPC	012564002055
Unit Count	1 Count

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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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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¥4836

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Very impressed with the quality and fast delivery. Will shop here again.

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