https://detail.1688.com/offer/614771797374.html?spm=a2615.7691456.autotrace-offerGeneral.46.11162d7bFTiY12
Specification]: 1.0
[Caliber]: 58R
[Weight]: 1.0 of 65 grams;
【Length】: 270 mm
[Specifications]: 2.0
[Caliber]: 58R
【Weight】: 52+-3 grams;
【Length】: 270 mm
[Specifications]: 3.0
[Caliber]: 58R
[Weight]: 55 +-3 grams
【Length】: 270 mm
[Specifications]: 5.0
【Length】: 260mm
[Caliber]: 58R
【Weight】: 84g+-3g
[Material]: High-grade rubber inner tube + sponge foam + high-grade PU; can be used by men and women, and all putters can be installed.
The specifications refer to the difference in thickness, and the material is the same.