Brand: 729 Friendship
Surface: Anti Spin
Hardness: 42°/44°/46° (randomly selected supply)
Origin: Made In China
# 804 has 2 packagings, randomly selected supply
804 is an anti-spin rubber developed by Tianjin Rubber Industry Research Institute. The unique design of the rubber surface makes the defence spin ball more stable, and the ball returns with sinking. The defence of return ball can have unexpected effects.