What is the dot on top for? How or when does it improve your shot? What's the explanation or physics behind it?

I posted a review exposing this scam product, but Amazon deleted it - they'll probably delete this as well. There is no physics behind it; it simply makes the ball spin fast. If you put the ball in this "alignment" device 10 times, you will get 10 different black lines around the ball. It does not find an "optimum equator" and it will not improve your shot in any way. Those are the facts, but other people may want to give you some "alternative facts."

where do i buy check-go pens

We no longer carry the replacement pens. I googled Pro Active Check and Go pens and up came a company that had the pens for sale.I hope this helps.

What replacement pen do you use?

Use a WASHABLE Crayola marker first to put temporary Center of Gravity spot and Straight line. Remove ball from spinner and use a Fine Tip Sharpie pen to permanently mark the Center Spot and then put the straight line on over the washable line. Let Sharpie marks dry and wash off washable marks. Use the washable marker to do the first marks cause if you use a Sharpie first you'll have messy ball marks. Replacement pens use a Sharpie.

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🎯 Master your swing with pinpoint precision—because every shot counts!

READY WHEN YOU ARE - Includes batteries out of the box—no delays, just instant precision.
UNISEX UNIVERSAL - Designed for all adult golfers aiming to elevate their game with cutting-edge tech.
COMPACT LIGHTWEIGHT - At just 272g and slim dimensions, it fits effortlessly in your gear without weighing you down.
ENGINEERED FOR PERFORMANCE - Crafted with durable plastic and a sleek red/black design that stands out in your golf bag.
PINPOINT ACCURACY EVERY TIME - Harnesses centrifugal force to perfectly locate your ball’s center of gravity for flawless alignment.

The Technasonic Electronics ProActive Sports DBL006 Check Go Pro Electronic Ball Liner uses advanced centrifugal force technology to accurately identify the center of gravity on golf balls, ensuring precise alignment. Lightweight and compact, it comes battery-included and features a stylish red/black plastic design suitable for all adult golfers.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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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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Model Number	DBL006
Color	red/black
Material	Plastic
Sport Type	Golf
Batteries Included	Yes
Product Dimensions	25.4 x 17.78 x 2.54 cm; 272.16 g
Use Object	Unisex-Adults

テクナソニックエレクトロニクス(Technasonic Electronics) ProActive Sports DBL006 Check Go Pro Electronic Ball Liner

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