cylindrical openCylindrical caps with small open eyelet. Subgroups nameØalloyPUtypeitem No.end caps2.0 mmS 925/-2/10cylinder, open437020end caps3.0 mmS 925/-2/10cylinder, open437030end caps4.0mmS 925/-2/10cylinder, open437040end caps5.0 mmS 925/-2/10cylinder, open437050 nameØalloyPUtypeitem No.end caps2.0 mmsilver gold-plated2/10cylinder, open437320end caps3.0 mmsilver gold-plated2/10cylinder, open437330end caps4.0mmsilver gold-plated2/10cylinder, open437340end caps5.0 mmsilver gold-plated2/10cylinder, open437350 nameØalloyPUtypeitem No.end caps4.0mmSilver rose plated2/10cylinder, open437940 nameØalloyPUtypeitem No.end caps3.0 mmYG 375/-2/10cylinder, open437130