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) | Safely Tightens Guitar Pots and Jacks with a Finish-Protecting Suede Backing

MusicNomad Premium Spanner Wrench with Microfiber Suede Backing (MN224) | Safely Tightens Guitar Pots and Jacks with a Finish-Protecting Suede Backing

Product ID: 96275217

Details

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

📏Ultra-thin 1.2mm profile

🔧100% stainless steel precision

🧼Scratch-free microfiber suede backing

AR$48952

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Description

🔧 Tune up your gear like a pro—precision meets protection in one sleek wrench!

GEAR SAFE DESIGN - Soft microfiber suede backing protects your prized instruments from scratches and wear during use.
COMPACT POWER TOOL - Pocket-sized and lightweight (1.3 oz), perfect for on-the-go pros who demand studio and stage readiness.
SLIM SLEEK ACCESS - At just 1.2mm thin, effortlessly slide under raised volume knobs and hard-to-reach nuts without hassle.
TRUSTED BY THOUSANDS - Top-rated with 4.7 stars from 2,496 users—join the elite community of musicians who never compromise on gear care.
PRECISION GRIP ZERO SLIP - Engineered stainless steel teeth lock onto round screws and knobs for flawless adjustments every time.

The MusicNomad Premium Spanner Wrench MN224 combines durable 100% stainless steel with precision-cut teeth and a low-profile 1.2mm design to access and adjust round screws and raised knobs effortlessly. Its microfiber suede backing ensures your instruments stay scratch-free, making it an essential compact tool for musicians and technicians who demand reliable, damage-free gear maintenance.

Specifications

ASIN	B07HPZFNB2
Best Sellers Rank	#1,509 in Musical Instruments ( See Top 100 in Musical Instruments ) #10 in Guitar Tools
Brand Name	MusicNomad
Color	Black
Customer Reviews	4.7 4.7 out of 5 stars (2,497)
Finish Types	Painted
Global Trade Identification Number	00857047002777
Head Style	Round
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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AR$48952

Duties & taxes included

In stock

Sold byAmazon ArgentinaDelivered 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 Argentina.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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

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