Seed SD-15 The Jack | Subscription
Seed SD-15 The Jack | Subscription
Seed SD-15 The Jack | Subscription
Seed SD-15 The Jack | Subscription
Seed SD-15 The Jack | Subscription

Seed SD-15 The Jack | Subscription

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Helps keep you straight.

The Jack is Seed's take on an alignment device, designed to help improve your putting accuracy, alignment and stroke.

The two large side circles create a strong visual alignment aid, allowing you to more easily line the ball to the hole.

The circle device also provides an instant diagnostic tool for the putting stroke, swing path and strike.

A balanced and centred stroke will result in the ball rolling true and straight, with the circles creating a visual affirmation (straight, clean roll). An open or closed putter face, an overly inside or across the line stroke will all cause the circles to “wobble” after impact, indicating a less than perfect strike.

The off-centre roll provides immediate visual feedback regarding the stroke and path. If stroke is an issue, the golfer also can turn the ball 90° and visually see the skid, spin and roll characteristics of the ball from their stroke.

This can be very useful for teaching professionals or anyone who is videoing the putting action looking for more visual feedback.

In research conducted by Seed, 86% of golfers found improved results on 6ft putts by using The Jack over traditional single line alignment device.

Customer Reviews

Based on 57 reviews
CShan (Waterford, IE)
Age: 49
Handicap: 16
Excellent golf ball for all levels of golfer

I've been using Seed balls a while now and cannot fault their quality, a very decent ball at an affordable price. Easy to navigate website and very efficient delivery time.

Kenneth Lee (Singapore, SG)
Age: 58
Handicap: 18
SD-15 The Country Mile lives up to its name

Tried at the course last week and it is truly soft and flies far when struck with purpose. If not for scuffing, I would have given it 5-stars.

Shay O'Connor (Särö, SE)
Age: 55
Handicap: 14
Prompt Delivery and Super Product

Was surprised how quickly the order was delivered. Love the ball, super quality. My new go to ball and delighted they are Irish made.

Bert de Vilder (Bergen, NL)
Age: 67
Handicap: 24.1
fijne bal om mee te spelen

de vergelijking met de srixon ad333 gaat zeker op, de Jack afbeelding aan weerzijde van de bal helpt zeer zeker met putten

Javier Arrieta (Dublin, IE)
Age: 54
Handicap: 15
Great ball at the best price

Great ball, I love the alignment circles and how it feel for a distance ball. Really recommended.