are the keys all unique? Meaning, if i buy 4 sets of pink one, will one key unlock all 3 other pink groups?

The keys are universal on these, the seller actually called me to try to sell me ones with semi-unique keys determined by color code, but these, regardless of color, are all the same. On a side note, when I installed these without the key I was disappointed to find that they slide in as easily as a normal USB drive because there's no extra hooks or anything to keep them installed, just the normal USB port tension which wouldn't be enough to stop anyone with the tiniest amount of determination from getting them out.

Is there a version if these that can attach to usb drives and protect them. Meaning male blocker?

This series of locks is quite limited in its breadth of offering and does not provide any ability to either lock a USB drive or filter out the data traveling to and from a USB drive. You can find these on the Amazon platform though under the Smart Keeper portfolio. It is a more contemporary series of physical locking products and offers a much wider range. For lockable USB drives, for example, you can search for Amazon ASIN numbers B08NXW9YKL (Blue), B08NXXL1HF (Brown), B08NXX65B8 (purple), and B08NXPMGZH (Yellow). If you are looking to block data from flowing to and from a drive, there are also parts to do that. Examples would be ASIN numbers B08NXZTLVL (blue), B08NXWHYFD (yellow), B08NXW6LFC (purple), and B08NXW4BB9 (brown). Another application you might want to consider is the ability to lock down USB cables. Solutions also exist on Amazon's platform for locking down cables. These also are part of the newer Smart Keeper line. I hope that this helps.

Can I use this for my iMac?

Yes you can. These fit any standard USB A type port. You may also want to check out the Smart Keeper brand of physical security blocks.

Can the locks be purchased in larger quantities, like 100 or 200 count?

Item 40452 can be purchased in large quantities. Please give us a call at 1-888-TO-LINDY to discuss pricing. Thanks, LINDY CCT Sales Team

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🔐 Lock down your USB ports in style — because your data deserves VIP protection!

EFFORTLESS SETUP - Quick and easy installation saves you time and hassle
COLOR CODED CONTROL - 5 vibrant colors with matching keys for organized security management
COMPACT LIGHTWEIGHT - Slim design (0.99 x 11.99 x 14 cm) weighing only 20g fits seamlessly
SECURE YOUR WORKSPACE - Physically blocks USB ports to prevent unauthorized access
TAILORED FOR PROFESSIONALS - Ideal for office environments demanding modern, reliable USB security

The Lindy USB Port Blocker pack includes 4 blue key-lock USB port covers designed to physically secure your devices from unauthorized access. Featuring a quick-install design and color-coded keys for easy management, these compact blockers are perfect for professional environments seeking modern, hassle-free USB security solutions.

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R**I

Value for money

Good

4.04.2021

V**H

Excellent quality

Excellent quality and on-time delivery.

30.09.2020

N**L

Excellent Product

Excellent product with fast delivery!

20.03.2019

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Brand	LINDY
Special Feature	easy to install
Lock Type	Key Lock
Item dimensions L x W x H	10 x 120 x 140 Millimeters
Recommended Uses For Product	security
Style	modern
Colour	Blue
Number of Pieces	1, 2, 4
Item Weight	20 Grams
Connectivity Protocol	usb
Global Trade Identification Number	04002888404525
Manufacturer	LINDY
Item Height	5.51 Inches
Item Width	4.72 Inches
Product Dimensions	0.99 x 11.99 x 14 cm; 20 g
Item model number	40452
Voltage	0.1 Volts
Are Batteries Included	No
Country of Origin	Taiwan
Item Weight	20 g

Lindy USB Port Blocker - Pack of 4, Blue (40452)

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