Seed SD-15 The Jack
Seed SD-15 The Jack
Seed SD-15 The Jack

Seed SD-15 The Jack

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Buy 1 €20.00 Each
Buy 2 €19.00 Each
Buy 3 €18.00 Each
Buy 4 €17.00 Each
Buy 5 €15.00 Each (FREE SHIPPING)

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.

The Jack alignment device is available in the SD-01 The Pro one and the SD-15 the country mile. 

If you don't want to buy in Bulk, remember you can avail of this low price(€15/box) by Subscribing Here.

Customer Reviews

Based on 10 reviews
Stuart Barber (Dublin, IE)
Age: 52
Handicap: 28
The SD-15 & SD-15 TheJack are Great Products

I have used both the SD-15 and SD-15 Jack balls and found then to be brilliant and reasonably priced. I will definitely be buying more.

Dec Quinn (Dublin, IE)
Age: 42
Handicap: 23
Fantastic. Alignment aid really helps with putting and teeshots.

Can't fault them. Seemed to travel further. Particularly liked the alignment tool (hate drawing on golfballs). I'm not good enough to know about spin etc.

John King (Dublin, IE)
Age: 58
Handicap: 26
New Jack balls

I love the new Jack balls. Great to hit. Long and straight. Great around the greens. Everyone asking me about the design. Very impressed.

Luke Calvert (Dublin, IE)
Age: 37
Handicap: 20
Decent ball, great price

Does exactly what it says on the tin

Hugh Grainger (Stillorgan, IE)
Age: 56
Handicap: 20
Great ball

Great product and super efficient delivery