产品型号规格内径外径色泽14G1.55mm2.10mm橄榄绿15G1.36mm1.80mm琥珀色18G0.84mm1.27mm绿色20G0.60mm0.91mm粉红色21G0.51mm0.82mm紫色22G0.41mm0.72mm蓝色23G0.34mm0.64mm橙色25G0.26mm0.51mm红色27G0.21mm0.41mm本色30G0.16mm0.31mm浅紫色32G0.11mm0.23mm***34G0.06mm0.19mm雪青色此款针头常规规格三种长度全长分别为：30.5mm42.4mm55.3mm误差允许0.05mm)