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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11
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Description
Friendship 729 Master GTGT stands for "Geospin Tacky" because this surface uses the upper rubber of the Friendship Geospin Tacky. However, the sponge is brand new and significantly higher quality. The two rubbers are also very playful. This sponge is given a degree of hardness of 36 degrees, according to the European scale it is about 42 degrees (i. e. medium hard with a tendency to be somewhat softer). This makes the sponge a little softer than most Friendship rubbers. In
GT stands for "Geospin Tacky" because this surface uses the upper rubber of the Friendship Geospin Tacky. However, the sponge is brand new and significantly higher quality. The two rubbers are also very playful.This sponge is given a degree of hardness of 36 degrees, according to the European scale it is about 42 degrees (i.e. medium hard with a tendency to be somewhat softer). This makes the sponge a little softer than most Friendship rubbers. In addition, it is very elastic, catapult-strong and has a good built-in speed glue effect.
The upper rubber of the Geospin Tacky has remained unchanged, but the quality is somewhat higher than that of the inexpensive version.
The Master GT is one of the few rubbers from Friendship that is also suitable for a European style of play with longer arm movements without restrictions. At the same time, it also has the essential advantage of many Friendship rubbers over German and Japanese rubbers - the stickiness and the associated high effect values. The pace is in the offensive area, slightly below that of the fastest rubbers.
overall, the Master GT is one of the most important innovations from Friendship in recent years. This topping can be recommended almost without restriction to all players for whom varied topspins with a lot of spin are important. Only the high elasticity of SpinLord rubbers should not be expected, but the rubbers are more under tension.
The weight of the Master GT is in the middle range.
Speed: 106
Spin: 110
Control: 87
Hardness: 42º
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.4 ★★★★★
Based on 2139 reviews
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Product Reviews
★★★★★ 5
Durability
Style: Ball, Size: Medium (Pack of 2)
My dog loves these balls!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Dogs love them
Style: Ball, Size: Medium (Pack of 2)
Our dogs love these. What’s great is that you can add more plastic (like from water bottles) if the plastic starts to fall out from the center. If you have a chewer, though, these won’t last you long. Our shepherd mix loves these and then starts to pull the rubber apart the more she plays with it. Our other dogs treat it normally, though, and those ones last forever. They also get some decent height when bounced, and they make a unique whistling noise when thrown.
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Reviewed in the United States on November 17, 2025
★★★★★ 4
Our pup loves the cronch cronch!
Style: Ball, Size: Medium (Pack of 1)
I bought our 15 month old Coton several Chuck-It toys on an Amazon deal. He is incredibly playful, mischievous, and ball/toy obsessed, especially for anything that makes noise. He can also be very destructive so I love how durable most of their products are - they’re among our longest lasting toys and worth every penny. We have yet to take them to the dog park, but they’re a perfect size for sharing in play time. And they are keeping him busy at home - that’s a good thing.
He loves investigating the crunchy-cronchy-crinkly sound which is a nice change from squeakers. It can withstand his destructive chewing well-being, gentle on his little teeth. I love that. Chuck-It is thinking outside the box with a variety of balls to keep dogs engaged! I do worry about the crinkle plastic inside because it is accessible because of the air holes and it feels a little sharp. So this will have to be an at home toy so we can monitor his play.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great products all around
Style: Ball, Size: Medium (Pack of 2)
Any of these balls are great! My dogs love all of them. The squeaky ones are their favorite!
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Reviewed in the United States on March 12, 2026
★★★★★ 5
My dog loves it!
Style: Ball, Size: Medium (Pack of 1)
This crunch ball was a Christmas gift for my 65lbs fur baby. It’s now mid April and he still loves it. He loves running after it and chomping down on it. It is still in good shape despite all the chomping it’s gotta . I highly recommend. He goes back to this toy agin and again! Great buy.
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Reviewed in the United States on April 15, 2026