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   Items

4 turns spring 

Normal pocketspring

   Wirediameter/mm

Φ1.7mm

Φ2mm

   Springwaist/mm

Φ65mm

Φ65mm

   Springturns

4

6

  Springtopandbottomdiameter/mm

Φ40mm

Φ55mm

  Wirelengthofeachspring/mm

770mm

1070mm

  Beforepocketheight/mm

220mm

220mm

  Afterpocketheight/mm

160mm

160mm

  Pressure(heightcompressedto140mm)/N

10.62N  

13.1N

  Pressure(heightcompressedto110mm)/N

13.84N

13.5N

  Eachspringweight/g

13.0g

26.25g