How do i determine what size i need?

There is some "flex" in the sizing. The 1/2" has 3/8" when it is relaxed, and easily holds a thick HDMI cable, power cord, and USB 3 cable. The 1" starts at around 3/4" and can go larger than 1" - Turns out I didn't need the 1" A smaller size filled to capacity looks much neater than the next size up with space to spare.

Could I cut these to be shorter or will they fray?

If you cut it, please sear the edges with the flame from a lighter so that it will not fray.

Does the diameter specified include overlap of the loom? Or is it the strict max size cable around which it will stretch?

The diameter specified includes overlap of the loom. The diameter specified is in relax status.

How flexible is this cord? Can it go around a tight corner and not flex back?

It’s pretty flexible. A tight 90 degree would show a bump of some sort probably but it is great stuff and would look better than the wires going around the tight corner. As far as bounce back goes if you bent it around something and then laid it on a table it would straighten right out. It would need to be wedged in or zip tied to keep the corner in it. Hope that helps.

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Alex Tech 10ft - 1/2 inch Cord Protector Wire Loom Tubing Cable Sleeve Split Sleeving for USB Power Cord Audio Video Cable – Protect Cat from Chewing Cords - Black

Product ID: 146855121

Details

Brand
Alex Tech
Colour
Black
Material
Polyethylene
Product dimensions
25W
Style
Woven

📏1/2 inch diameter for versatile cable fit

🔥Heat resistant -103°F to 257°F

🖤Sleek black color for professional aesthetics

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¥4014

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🖤 Wrap it right, protect it tight — cable management made effortlessly sleek!

SLEEK DISCREET - Matte black finish blends seamlessly with modern home and office setups for a clean, professional look.
PET PROOF PROTECTION - Durable insulation keeps your cords safe from curious cats and accidental damage.
UL RECOGNIZED QUALITY - Certified reliability ensures your cables stay organized and protected with trusted safety standards.
EFFORTLESS CABLE LOADING - Split design lets you add or remove wires without unplugging—time saved, stress avoided.
UNMATCHED HEAT RESISTANCE - Operates safely from -103°F up to 257°F, protecting cables in any environment.

Alex Tech’s 10-foot split sleeving cable protector combines durable, heat-resistant polyethylene with a smart split design for easy wire management. Rated for extreme temperatures (-103°F to 257°F) and UL recognized, it safeguards cables from pet damage and clutter, delivering a sleek, professional finish to any home or office setup.

Specifications

ASIN	B07FW3GTXB
Best Sellers Rank	142 in DIY & Tools ( See Top 100 in DIY & Tools ) 1 in Cable Sleeves
Brand Name	Alex Tech
Colour	Black
Country of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (79,783)
Enclosure Material	Polyethylene
Installation Type	Screw-In
Item Dimensions L x W	25W millimetres
Item Weight	0.13 Kilograms
Manufacturer	Alex Tech
Manufacturer Part Number	sr1/2inblack10ft
Model Number	sr1/2inblack10ft
Number of Pieces	1
Style Name	Woven
UPC	704256862428
Unit Count	1 count

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