Butterfly Dignics 05 vs Nittaku Hammond Z2: Which Should You Buy?

UltraSpin comparison · 2026-06-11 · rubber

Butterfly Dignics 05Nittaku Hammond Z2
Our rating9.0/108.8/10
best_sidebothforehand
controlmedium-high7.5
speedhigh (Butterfly rating 86)9.0
spinvery high (Butterfly rating 85)9.5
sponge_hardness40 degrees (Butterfly scale)52
typetensor inverted (Spring Sponge X)inverted
weight_uncut_g7070

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When the Numbers Say “Basically Tied”

This is the rare comparison where the honest answer is that the performance gap is small enough to not be the deciding factor. Speed: 9.1 versus 9.3, a 0.2-point edge for Hammond Z2. Spin: 9.4 versus 9.3, a 0.1-point edge for Dignics 05. Control: 8.8 versus 9.1, a 0.3-point edge for Hammond Z2. Throw: 6.3 versus 6.5, 0.2 points. Tackiness: 1.8 versus 2.1, 0.3 points. Every single axis here sits under half a point. If you are choosing between these two rubbers expecting one to be clearly better on paper, the radar data will disappoint you — and that is useful information in itself, because it means you should stop looking at numbers and look at character instead.

Durability is the largest gap in the set, and even it is modest: 8.5 versus 8.1, a 0.4-point edge for Dignics 05, consistent with Dignics 05’s own listed pro of running “roughly twice” Tenergy-class durability against Hammond Z2’s “above-average durability compared to typical ESN tensors” — a real edge, but a narrow one.

Where They Actually Diverge

The spec sheet reveals what the radar numbers hide. Dignics 05 is rated for both wings; Hammond Z2’s listed best side is forehand only. That is a meaningful practical difference even though the raw numbers barely separate them — a rubber built and reviewed primarily for forehand use will not necessarily transfer the same performance to a backhand block-and-counter game the way a genuinely dual-wing rubber does.

Reviews reinforce the split further. Dignics 05, per Revspin, RacketInsight, Megaspin and Reddit, earns its reputation from active and passive blocking off a firm 40-degree sponge and a speed-glue-like feel on forehand drives. Hammond Z2, per Revspin, Racket Insight and Reddit, is praised specifically for aggressive counterlooping and dangerous active blocks and smashes, with reviewers noting it holds one of the highest Revspin ratings in its category and a distinctive Made-in-Japan, non-ESN feel that some players prefer on principle, separate from any measurable performance gap.

Should You Switch?

With deltas this small, switching between these two rubbers for performance reasons alone is hard to justify — you are not going to feel a 0.1 or 0.2-point gap in a live rally. The decisions that actually matter are: do you need genuine two-wing performance (favor Dignics 05, which is rated for both sides) or are you specifically building a forehand-only counterlooping weapon (Hammond Z2’s forehand-focused reputation and slightly higher speed and control numbers fit that role well)? Do you want the rubber with the single highest headline durability number (Dignics 05, 8.5) or one that is still above-average for its category at a presumably lower price point (Hammond Z2, 8.1)?

Both rubbers explicitly demand active, well-timed strokes and punish passive contact — neither is a rubber to reach for if your technique is still inconsistent, and switching from one to the other will not fix that underlying issue either way.

Fit and Setup

Both rubbers ship at essentially the same uncut weight (70g for Dignics 05, 70g for Hammond Z2), so blade balance considerations are a non-factor in this matchup, unlike some of the other comparisons on this site. If your setup is built around a stiff carbon blade, note that Hammond Z2’s own review notes suggest it is “better suited to OFF-minus or flexible blades than stiff carbon setups” — worth checking against your current blade before assuming either rubber is a drop-in replacement for the other.

One more distinction worth naming plainly: Hammond Z2 is made in Japan and built outside the ESN structure that Dignics 05 belongs to, which is why reviewers describe its character as distinctive rather than simply “a cheaper Dignics 05.” If you specifically want that non-ESN feel, or you have had good experiences with other Japanese-made rubbers in the past, that preference is a legitimate tiebreaker here even though it will not show up anywhere in the radar numbers.

Frequently asked questions

Is Nittaku Hammond Z2 actually different from Butterfly Dignics 05?

On the radar numbers, barely — every axis gap is 0.4 points or less. The practical difference is that Hammond Z2 is rated forehand-only while Dignics 05 is rated for both wings.

Which rubber has better durability?

Dignics 05, by 0.4 points (8.5 vs 8.1) — a real but modest edge, not the dramatic gap Dignics 05 shows against some other rubbers.

Does Hammond Z2 work on a stiff carbon blade?

Reviewers specifically flag it as better suited to OFF-minus or flexible blades rather than stiff carbon setups — worth checking against your blade before switching.

Is either of these rubbers forgiving for passive play?

No — both explicitly demand active, well-timed strokes and punish passive contact, so switching between them will not solve a passive-stroke problem.