1/4"DR. 7/10件五角星中孔起子套筒铁架组
BS207TS-H: TS10-TS15-TS20-TS25-TS27-TS30-TS40
BS210TS-H: TS8-TS10-TS15-TS20-TS25-TS27-TS30-TS40-TS45-TS50