is it less accurate with Poly strings vs gut? tested in on poly at 52 and it is telling me the tension is greater than 70

52 what ? Kg , Lbs , STI ?? and 70 what ?

Is there an instructional video to follow to get best outcome?

Not that I am aware of. It’s pretty straight forward. You place the two plastic extenders in a square in the middle of the racquet. Turn the device until the arrows line up and take your reading.

The picture says it goes up to 70 but the one I just received only goes to 35. Am I missing something?

The one I received does have a scale going to 70. I wonder if they put the wrong paper scale on yours. You need to return it or have them send you a new scale that you can paste over the old one.

I worked on tennis strings with 50 tensions. However, when I measure with this product, it is only 36. Is this product defective?

This product does not measure the effective tension of the strings, it compares the tension. Measure with it after you have tensioned your strings and note down the scale number and check day by day what the new scale is and compare the numbers. The manufacturer recommends changing the strings when you lose more than 10% (I'm not entirely sure about this percentual) of the tension in their scale.

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Sports Racquet String Tension Tester (Tennis/Squash/Racquetball)

Product ID: 2342882

Details

Brand
GAMMA
Item Weight
16 ounces
Item dimensions L x W x H
7 x 4 x 1
Number of Items
1
Unit Count
1 Count

🎾Accurate String Tension Index

📏Large, Easy-to-Read Scale

🤲Ergonomic One-Hand Operation

$65.27

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Description

🎾 Stay ahead of the game with precision string tension testing!

TRUSTED BY PROS - Ranked #1 in Tennis Stringing Machines & Tools, backed by 427+ positive reviews.
CLEAR FAST READINGS - Large scale display ensures you get accurate tension measurements in seconds.
EFFORTLESS ONE HAND USE - Modern ergonomic design lets you test tension quickly and comfortably with one hand.
MULTI SPORT COMPATIBILITY - Perfect for tennis, squash, and racquetball players who demand peak performance.
PRECISION TENSION TRACKING - Know exactly when your strings need restringing with the String Tension Index.

The Gamma Sports Racquet String Tension Tester delivers precise, easy-to-read tension measurements for tennis, squash, and racquetball racquets. Featuring a modern ergonomic design for one-handed operation and a large scale for quick accuracy, it helps players maintain optimal string performance and know exactly when to restring. Trusted by thousands, it’s the go-to tool for serious racquet sports enthusiasts.

Specifications

ASIN	B0007R8MAQ
Best Sellers Rank	#33,310 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Tennis Stringing Machines & Tools
Brand	GAMMA
Brand Name	GAMMA
Customer Reviews	4.1 out of 5 stars 427 Reviews
Global Trade Identification Number	00090852458760
Included Components	String Tension Tester
Item Dimensions	7 x 4 x 1 inches
Item Highlight	Tennis/Squash/Racquetball
Item Type Name	String Tension Tester
Item Weight	16 ounces
Item dimensions L x W x H	7 x 4 x 1 inches
Manufacturer	Gamma
Manufacturer Contact Information	phone: (800) 333-0337 email: [email protected] website: https://www.gammasports.com/
Model	AGSTT10
Number of Items	1
Part Number	AGSTT-10
UPC	751738893463 090852458760
Unit Count	1 Count

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TrustScore 4.5 | 7,300+ reviews

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Great price for an authentic product. Fast international shipping too!

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The product quality is outstanding. Exactly what I needed for my work.

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$65.27

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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