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Sardius
An ideal pairing of premium Kiso Hinoki and TAMCA 5000 carbon fiber, giving formidable power, speed and an outstanding feel.
💡 Who this suits
Very high reaction speed, favouring aggressive play built on hard drives and smashes, with a sharp, strong feel that suits players with a powerful stroke.
About this product
It ranks first of 45 Butterfly blades for reaction. More striking, though, is its vibration figure — the highest in that list. More vibration reaches your hand, which means you feel exactly where on the face you hit.
Three wood plies with two carbon layers, built thick at 7.2mm, is what produces that character. Power comes from thickness rather than ply count, so the feel is genuinely different from the five-ply carbon blades that dominate now.
It is a narrowly aimed blade. With reaction at the top of the range, control has to come from your swing, and high vibration means mishits register just as clearly as clean contact. For a player with a repeatable contact point that is information; for anyone else it is fatigue.
A firm rubber suits it. The blade already throws plenty, so a soft sponge on top sends the ball up.
What the numbers say
Outer 3-ply + 2 carbon plies 7.2mm. Its reaction of 8.5 ranks 1 of 46 blades, among the very highest. It is on the stiffer, less flexible side. Based on the manufacturer’s published figures.
This paragraph is not a copied review — it is generated from the figures and rankings collected on this site, and changes when they do.
Where this blade sits
Reaction and vibration figures Butterfly publishes for 46 of its blades (official 1–15 scale). Further right means more reaction; higher means more vibration. Neither axis is "better" — they describe character. Other brands use different scales and are not mixed in.
Manufacturer figures
Butterfly official, 1-15Each brand uses its own scale, so these numbers cannot be compared directly across brands
Not shown
Not published — Official Spin (the brand does not publish this figure)
Weight 92g
Full specifications
| Playing style | Offensive |
| Grip type | Shakehand |
| Construction | 3-ply + 2 carbon plies |
| Carbon position | Outer |
| Plies | 5 |
| Blade size | 158 × 152mm |
| Thickness | 7.2 mm |
| Weight | 92 g |
| Handle types | FL, ST |
| Made in | Japan |
Comparisons featuring this product
Rubbers that pair with this blade
Real player setups and level-based recommendations come first.
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Dual spongeGenection
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Hammond Z2
A fast blade — matched with high-power rubbers
Lightly tacky compoundGenection V2C
A fast blade — matched with high-power rubbers