QSLF-1/4-6-B QSLF-1/4-8-B QSLF-1/8-4-B QSLF-1/8-6-B QSLF-1/8-8-B QSLF-3/8-10-B QSLF-3/8-8-B QSL-G1/2-12 QSL-G1/2-12-20 QSL-G1/2-16