103-01-0272 Dog Spring - 1.27cm (1/2") Length, 590412103010272 Dog Spring 590412 1. 27cm (1 2") Length Possible fit guide: RS 590408 590408 RS, RS 590672 590672 RS, RS 590749A 590749A RS, RS1 590420 590420 RS1, RS1 590420A 590420A RS1, RS1 590427 590427 RS1, RS1 590537 590537 RS1, RS1 590557 590557 RS1, RS1 590559 590559 RS1, RS2 590671 590671 RS2, & RS6 590751 590751 RS6 Possible alternate part number(s) Picture(s) represent the actual item, although brands may vary. Message us with any questions