ETTINGER
间隔柱, 圆形钢制, 6x6mm, M4
DURATOOL
红色纤维垫圈, M4
FAIR-RITE
Ferrite Core, Cylindrical, 115 ohm, 14.5 mm Length, 25 MHz to 300 MHz, 4.5 mm ID, 9.5 mm OD