SENKO’s innovative chamfered MT Guide pin design together with it’s improved spring are key to confidently align 2 MT Ferrules and provide a reliable fiber to fiber mating anytime, every time. SENKO’s MPO Plus chamfered stainless steel guide pins are manufactured to the tightest specification having a tolerance of +/-0.1Um for the SM Super low loss guide pin , allowing a super precision alignment of the ferrule. Guide pins are available for SM Grade, SM Super Low Loss grade MM Grade and MM Super Low Loss grade. Sizes available to fit 12/24 fiber center key MPO connectors as well as 16/32 fiber offset key connectors.