産品規格風洞：342凹洞
  産品重量45.-45.9g
  外(wài)皮層厚度：直徑：1.8mm
  産品尺寸直徑：42.6-42.8mm
  産品彈力:60%-65%
  産品材質：内芯合成橡膠，外(wài)皮杜邦沙林，最外(wài)面電(diàn)鍍一(yī)層金色。

用途：隻适合作推杆練習,觀賞球 

Wind tunnel: 342 cavity

Product weight 45.-45.9g

Thickness of outer cortex: diameter: 1.8mm

Product size diameter: 42.6-42.8mm

Product elasticity :60%-65%

Product material: inner core synthetic rubber, outer skin dupont-sarin, the outermost plating a layer of gold.

Purpose: for putter practice and ball watching only