THL CST125250 Blade Insert Set for Ø125 µm Cladding, up to Ø250 µm Buffer connector type_escon A pair of FRM220 FXO 4 and A pair of FRM220 FXO 4 and FRM220 FXS 4 is required to implement an end to end system testing or troubleshooting and reduces network outage time Blade Sets Include: Standard Wedge: One Top and One Bottom Insert Diameter Blade Type End 1 End 2 THL CST080180 80 µm 80 µm 180 µm Wedge THL CSTM080125 80 µm 125 µm 250 µm Wedge THL CST125250 125 µm 125 µm 250 µm Wedge THL CST125400 125 µm 125 µm 400 µm Wedge THL CST200400U 200 µm 200 µm 400 µm Half Moon THL CST250400U 250 µm 250 µm 400 µm Half Moon THL CST400600U 400 µm 400 µm 600 µm Half Moon