... : Hardness (shore A): 92-96oCSize Type Model NoInchLength mmExternal DiameterThickness of Rubber Wheel TypeLGL 100B 4" 100 222 19.5LGL 152 ... time during the working, which is good for recoving the function of rubber, adjusting the speed difference upon on different diameters, and ... on it, no hitting to avoid deformation and damageG. Validity of storage life: one year. 10" Brown, Red, Yellow, White ...