https://detail.1688.com/offer/612088077527.html?spm=a2615.7691456.autotrace-offerGeneral.22.2db62d7b4X8Q69
Material is rubber + PU material
Caliber: 58R; (Putter universal caliber)
Specifications are 1.0/2.0/3.0/5.0 optional
1.0 size: length is about 26.5 cm; weight: 72+-3 grams; thickness is about 2.5 cm;
2.0 size: length is about 26.5 cm; weight: 49+-3 grams; thickness is about 2.9 cm;
3.0 size: length is about 26.5 cm; weight: 57+-3 grams; thickness is about 3.2 cm;
5.0 size: length is about 26.5 cm; weight: 91+-2 grams; thickness is about 4.0 cm;