So exactly which side is for tightening and which one is for loosening? It's just a difference in the orientation of the one-sided teeth?

It is just the orientation in the teeth

What makes this superior to the ESP tool they copied?

It's the exact same $3 tool! They packaged it in a very nice 4 color print cardboard box, and included a sheet of really thin, cheap pre-cut foam you'll need to attach to the side of the tool where it lays against your guitar. Note: the cheap foam pad is badly cut, and doesn't quite cover the entire surface. I was only going to use one end, so I cut the foam piece in half, and applied the first piece, then cut pieces of the second section to patch the spots that didn't fit correctly. Note: You'll need to be extra careful, in my situation the foam wasn't thick enough to protect my beautiful nitro Les Paul against the tool. Lightly pressing on the tool (with the cheapo foam properly attached) was enough pressure to damage the finish on my guitar surrounding my volume knobs. Save yourself some grief and get the plastic lift-off tool liked below, that pulls your knobs off cleanly, and is much safer for your finish: https://www.amazon.com/gp/product/B00CRQWMYM/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1

Does it work on strats Side jack?

It will work with a Strat that has a “Side Jack” on the edge of the body. If it has a “Recessed Jack” on the face of the guitar (Fender Style), you’ll probably want to use a socket wrench.

Don't the teeth add dings or scratches on nuts? Seems like an odd design.

One side of the jaws is smooth. The other has rounded serrations that grip the top of the nut. The combination does not scratch the nut.

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MusicNomad Premium Spanner Wrench with Microfiber Suede Backing (MN224)

MusicNomad Premium Spanner Wrench with Microfiber Suede Backing (MN224)

Product ID: 96275217

Details

Brand
MusicNomad
Color
Black
Item Length
5.4 inches
Item Weight
1.3 ounces
Material
Metal

🔧1.2mm ultra-thin profile

🧽Microfiber suede backing protects finish

🛡️100% stainless steel durability

S$24

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Description

🔧 Tighten with confidence, protect with style — the ultimate guitar gear sidekick!

ULTRA SLIM ACCESS - At just 1.2mm thin, it effortlessly slides under raised volume knobs and tight spots others can’t reach.
COMPACT POWER TOOL - Pocket-sized and gig-bag ready, this wrench is your backstage essential for on-the-fly gear tweaks.
PRO APPROVED VALUE - Top-rated by thousands of musicians, it’s the affordable must-have tool that transforms your setup routine.
SCRATCH FREE CONFIDENCE - Soft microfiber suede backing ensures your prized instruments stay flawless while you tighten and adjust.
PRECISION GRIP ZERO SLIP - Engineered with precision-cut teeth for a rock-solid hold on round screws and bridge thumbwheels—no more frustrating slips.

The MusicNomad Premium Spanner Wrench (MN224) is a compact, 100% stainless steel tool designed specifically for musicians. Its ultra-thin 1.2mm profile and precision-cut teeth provide a secure grip on round screws and bridge thumbwheels, while the microfiber suede backing protects instrument finishes from scratches. Lightweight and portable, it’s a professional-grade essential for quick, damage-free adjustments on stage or in the studio.

Specifications

ASIN	B07HPZFNB2
Best Sellers Rank	#2,057 in Musical Instruments ( See Top 100 in Musical Instruments ) #18 in Guitar Tools
Brand Name	MusicNomad
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (2,502)
Finish Types	Painted
Global Trade Identification Number	00857047002777
Head Style	Round
Item Highlight	Safely Tightens Guitar Pots and Jacks with a Finish-Protecting Suede Backing
Item Length	5.4 inches
Item Torque	200 N m
Item Type Name	Wrench with Microfiber Suede Backing
Item Weight	1.3 ounces
Manufacturer	MusicNomad Equipment Care
Manufacturer Part Number	MN224
Manufacturer Warranty Description	Limited warranty for 30 days from date of purchase music nomad will replace the product at no charge due to any defect in materials or workmanship that may occur in normal use. the warranty does not cover damage that results from abuse, misuse or accidents. to obtain warranty email us at infoatmusicnomad.com for warranty claim instructions.
Material Type	Metal
Model Number	MN224
Number of Items	1
Operation Mode	Manual
Package Quantity	1
UPC	857047002777
Unit Count	1 Count

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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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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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S$24

Duties & taxes included

In stock

Sold byAmazon SINGAPOREDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

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Excellent communication throughout the order process. Product is perfect.

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