Is the size based on the nut or the stud?

It is the size of the head on the wheel stud or nut that the loose nut indicators would attach to. Find a metric socket that fits and you found the size you need. Most semi trucks are 21m I believe. I have 7 in my fleet from 3 different manufactures and these worked for all 7 trucks.

Ame Intl Checkmate Loose Wheel Nut Indicator 32mm Yellow

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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€ 121.31

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Sold byAmazon SpainDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚛 Stay ahead of the curve—never miss a loose nut again!

UNIVERSAL 32 MM FIT - Compatible with most wheel nuts for seamless installation
BULK PACK CONVENIENCE - 100 indicators per pack to keep your fleet consistently safe
QUICK INSTALL REMOVE - Streamlined application and removal for efficient maintenance routines
DURABLE POLYURETHANE BUILD - Resilient material designed to withstand tough road conditions
PRECISION SAFETY ALIGNMENT - Easily spot loose wheel nuts at a glance during pre-trip inspections

The AME INTL Checkmate Loose Wheel Nut Indicator is a high-visibility, 32mm polyurethane safety tool designed to prevent wheel-off incidents by clearly signaling loose wheel nuts. Sold in convenient packs of 100, it fits universally and simplifies pre-trip inspections for professional fleets and safety-conscious drivers.

Specifications

ASIN	B08M3P3LYZ
Best Sellers Rank	#31,516 in Automotive ( See Top 100 in Automotive ) #185 in Automotive Tire Repair Tools
Brand	AME INTL
Color	Yellow
Colour	Yellow
Compatible Groove Diameter	32 Millimeters
Customer Reviews	3.6 out of 5 stars 27 Reviews
Exterior Finish	Mold
Exterior finish	Mold
Fastener Type	Wheel
Fastener type	Wheel
Finish Types	Mold
Grade Rating	Commercial
Included Components	100 Loose Nut Indicators
Inside Thread Size	32MM
Item Diameter	32 Millimeters
Item Dimensions	7.6 x 4.4 x 0.6 centimeters
Item Type Name	Loose Wheel Nut Indicator
Item Weight	0.29 Kilograms
Manufacturer	AME Intl
Material	Polyurethane (PU)
Material Type	Polyurethane (PU)
Metal Type	Alloy Steel
Metal type	Alloy Steel
Model	62432
Number of Pieces	100
Part Number	62432
Screw Head Style	Round
Set Name	Pack of 100
Size Name	32mm
Thread Class	Class 2B
Thread Coverage	Fully Threaded
Thread Size	32mm
Thread Style	Metric
Thread Type	ISO Metric
Thread size	32mm
UPC	843198105207 843198102374

Reviews

M**A

品質疑問

１～２週間でかなりの割合で切れて使い物にならない。日本が熱いせいなのか不明ですが以前他店から購入したものは長持ちしてます。残念です。

18.09.2025

F**O

Excelent

El pedido llegó rápido, Gracias vendedor 😃

9.03.2024

A**A

Funciona

Todo bien

9.10.2022

A**R

Wrong Quantity

10.04.2025

J**S

Safety, indicator nuts position

8.01.2022

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