YSD 600 T/TH Sliding Door OX CONFIGURATION LARGE MISSILE 1-3/16 " GLAZING, OPTIONAL LOW-PROFILE SILL 1B 5B 3B 6BL 7BL 2BL 4BL SECTION 7BL SECTION 6BL SECTION 2BL SECTION 4BL *This option is intended to integrate into designs that require low threshold access to balconies and terraces. Effective Date: Nov 12, 2021 | 06-1001-10 Page-15 4-1/8 " [104.8mm] 4-1/8 " [104.8mm] 3/4 " [19.1mm]