#### Centered

##### Hall of Fame

*Strings were strung at 62 lbs. Stiffness is the number before tension loss.*

Stiffest Kevlar (non-blend):

Prince Problend w/Duraflex 16 (Main),

**981**, 16 lbs

Gosen Arammix Pro 16,

**795**, 19 lbs

Ashaway Kevlar 16,

**764**, 27 lbs

Softest Kevlar (non-blend) and/or Technora:

Forten Ultra Thin Blend (Main) 18,

**545**, 15 lbs

Forten Thin Blend 18/17 (Main),

**557**, 14 lbs

Wilson Hyperlast Spin 19 (Main), Technora,

**562**, 14 lbs

Softest Kevlar/nylon blend and/or Vectran:

Ashaway Composite XL Pro 15,

**444**, 16 lbs

Ashaway Composite XT Pro 16, Vectran,

**470**, 14 lbs

Pacific Powercraft 18,

**508**, 15 lbs

Stiffest poly:

Pacific Poly Force 16L,

**320**, 18 lbs

Gamma Dura Blast 16 ,

**303**, 13 lbs

Babolat Revenge 16,

**302**, 19 lbs

Stiffest nylon monofilament ("synthetic gut"):

Ashaway MonoGut 16L,

**242**, 19 lbs

Wilson Ultra Synthetic Gut 15L,

**238**, 14 lbs

Dunlop X Life Synthetic,

**236**, 15 lbs

Stiffest nylon multi:

Wilson NXT Tour 16,

**219**, 9 lbs

Gosen Nanocubic 16,

**217**, 11 lbs

Alpha Sphere 16,

**216**, 14 lbs

Softest poly:

Babolat Pro Hurricane 18,

**187**, 22 lbs

Head Sonic Pro 17,

**199**, 23 lbs

Pacific Poly Power 18,

**201**, 21 lbs

Stiffest and softest poly blend multis:

Tecnifibre Promix 17, Nylon/poly,

**199**, 14 lbs

Isospeed Energetic 16 , Polypropylene/poly,

**175**, 19 lbs

Softest nylon monofilament core ("synthetic gut"):

Pacific Power Twist 16L,

**175**, 13 lbs

Head Synthetic Gut PPS 18,

**176**, 12 lbs

Pacific Power Twist 16,

**179**, 12 lbs

Stiffest and softest Zyex (sorry, Klip Zyex and Bow Brand were not tested):

Ashaway Dynamite WB 16,

**165**, 13 lbs

Ashaway Dynamite 17 ,

**147**, 14 lbs

Stiffest and softest polyolefin:

Isospeed Control 16,

**158**, 16 lbs

Head Intellistring 17 (Cross)/Intellitour 17 (Cross),

**136**, 15 lbs

Softest nylon multi:

Head Perfect Power 17,

**144**, 15 lbs

Gamma Professional 18,

**144**, 15 lbs

Alpha Gut 2000 18,

**146**, 15 lbs

Stiffest gut:

Grand Slam Gut Grand Slam Gut 15L (uncoated),

**129**, 11 lbs

Babolat Tonic+ Thermogut Longevity,

**119**, 9 lbs

Babolat VS Touch Thermogut 15L,

**118**, 9 lbs

Softest gut:

Pacific Tough Gut 16L,

**83**, 8 lbs

Pacific Tough Gut 16,

**88**, 7 lbs

Pacific Classic Gut 16L ,

**92**, 6 lbs

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