Dscriptionize
All tubes is made from natural latex ,Handles can be made by foamed plastic or hard plastic .
Specification
resistance force
5lbs,10lbs,20lbs,50lbs ----- 100lbs
Size of tube ID*OD
4*7,8,9mm ,
5*8,9,10,11,12,13,14, mm
6*9,10,11,12,13,14,15,16mm
7*10,11,12,13,14,15,16mm
Size of handle OD*length
28*100 110,120 mm,
30*100,110,120mm
32*100,110,120mm