Brand training tennis ball 1.polyest, natural rubber 2. rebounce:140cm 3. diameter:63.5-66.7mm 4. weight:56.7-58.5
Brand training tennis ball1.polyest, natural rubber2. rebounce:140cm3. diameter:63.5-66.7mm4. weight:56.7-58.5
TF Approval Tennis ball ,57% wool
Item No: | NS-818 |
can pressure(psi) | 13.05 |
weight(g) | 56-59 |
dia(inch) | 2.63 |
Push(inch) | 0.220-0.240 |
batter | 200times |
rebound(cm) | 143-147 |
recover(inch): | 0.310-0.330 |
(A)hardness of the bladder | 0.21 |
bladder weight GW (g) | 46.5 |
bladder net weight(g) | 45.5 |
bladder rebound(cm) | 173 |
bladder push(inch) | 0.24 |
bladder recover(inch) | 0.34 |
bladder diameter(mm) | 60.8 |
baldder diameter without the air(mm) rebound without air(mm) | 59.5 137 |
Brand training tennis ball
