Unique Plus Spider Couplings are compatible with leading makes of couplings. The spider is made up of neoprene rubber having shore hardness of 80°, suitable for temperatures from -60° C to +100° C. Star coupling is a general purpose flexible coupling available in different sizes in taper bore, pilot bore or finished bore. UNIQUE PLUS Star couplings are used for a range upto torque ratings of 48700 NM, it is another simple economic solution to many drive requirements. These are available as CLOSE COUPLINGS as well as SPACER COUPLINGS. These are available in “L” Series, “URC”, “SW” & other series.