9905-660,ROUND SPACER #6 NYLON 16.76MM
9905-687,SPACER TUB
9905-690,ROUND SPACER #6 NYLON 17.53MM
【BIVAR】9905-6MM,电路板硬件 - PCB Screw Spacer .6mm Nylon White
99057,MAKERSPACE KITS-MOTOR MODULES
9905-750,SPACER NYLON #6 SCREW 3/4"
【BIVAR】9905-7MM,电路板硬件 - PCB Screw Spacer .7mm Nylon White
99058,MAKERSPACE KITS-MOTION PARTS