Blickle b phn heat resistant wheels and fixed castors blickle 640250 this b phn 125ik heat resistant wheel and fixed castor from blickle features a oslash 125mm wheel with a heat resistant pressed steel fixed castor and top plate fitting the bracket is made of pressed steel while the bolted wheel axle is zinc plated blue passivated and cr6 free the templinereg classic thermoset wheels black tyre and running tread is made of phenolic resin offering very high static load capacity and