支架与垫片 Screw Spacer .52 in PVC Grey
圆形垫片 无螺纹 #4 PVC 0.250"（6.35mm）1/4" 灰色
得捷:
ROUND SPACER #4 PVC 1/4"
贸泽:
支架与垫片 Screw Spacer .52 in PVC Grey
艾睿:
Self Retaining PVC Screw Spacer, 0.520 in. Length, 0.25 OD, 0.142 ID, #4 Screw Size, Grey
Allied Electronics:
Self Retaining PVC Screw Spacer; 0.520in. Length; .25 OD; .142 ID; #4 Screw Size; Gry