MAX-LOC Strain Relief Cord-Sealing Grip, 3/4" NPT, Straight Female with O-Ring, Cable Diameter 14.27-17.45mm (.562-.687")MAX- LOC应力消除线缆密封夹具, 3/4 “NPT ,直女与O型圈,电缆直径14.27-17.45mm ( .562 - .687 ” )