SPEEDY RJ45 Crimp Tools Cat5e, Cat6, RJ11, RJ12 Connectors – SPEEDYRJ45 TBSPDY, This replacement blade ensures that crimping performance levels are maintained throughout the life of this SPEEDY RJ45 crimp tool.Note: It is recommended that the trimming blade is renewed after every 500 terminations TUK LTD TBSPDY SPEEDY RJ45 Spare cutting blades for TRCSPDY tool