Item Code : PS7RR6315G Length (mm) 6mtr Size (mm) 315 Socket type RR Normal ring stiffness SN(Kn/m2) SN8 Item Code : PS7RR6252G Length (mm) 6mtr Size (mm) 250 Socket type RR Normal ring stiffness SN(Kn/m2) SN4 Item Code : PS7RR6250G Length (mm) 6mtr Size (mm) 250 Socket type RR Normal ring stiffness SN(Kn/m2) SN8 Item Code : PS7RR6202G Length (mm) 6mtr Size (mm) 200 Socket type RR Normal ring stiffness SN(Kn/m2) SN4 Item Code : PS7RR6200G Length (mm) 6mtr Size (mm) 200 Socket type RR Normal ring stiffness SN(Kn/m2) SN8 Item Code : PS7RR6160G Length (mm) 6mtr Size (mm) 160 Socket type RR Normal ring stiffness SN(Kn/m2) SN8