... suit for various customers * Large closing knob makes twisting and valve closing very easy Item No Description PCS/SET/CTN YS26001 ... 8F, Screw Type, Sideon Female Luer 512 YS26002 8F, Screw Type, Sideon Tubing and Stopcock 512 YS26003 ... Female Luer, Insertion Tool and Torquer 512 YS26004 8F, Screw Type, Sideon Tubing and Stopcock, Insertion Tool and Torquer 512 YS26005 ...