product data: 
Material: Pure titanium
Length: 15MM
Diameter: 11MM
Internal control diameter: 5.5MM
Surface color selection: sandblasting, smooth, flame pattern, deep blue, earth Hao gold, rose purple
Weight: 4g
 
Can pass through two 7-core umbrella rope, not loose is not tight, just right. Pure titanium material, low density, high strength, corrosion resistance and other prominent advantages, are ecological metals, and the human body for a long time does not occur allergic and immune response.
 
1P$T4PMM[AEZB0IPSVKDP20B41323457891011