2820-G,KNOB 4 ARM 5/16"-18 PHENOLIC
【Bahco】2820HSV1,
【Bahco】2820HSV2,
2820-J,KNOB 4 ARM 1/4"-20 PHENOLIC
【Heyco】2820N,电缆固定件和配件 B 500-375N THIN PANEL
【Bahco】2820V13,
【Bahco】2820V17,
【Bahco】2820VBC,