For ornamental applications where the connectors are exposed, the OT/OL are notched, beam-to-column ties that provide transfer tension loads. Both connectors have a black powder-coat finish for a more decorative look.
Black powder coat
Use all specified fasteners; see General Notes
Non-notched alternatives: HLPC/HTPC Beam to Column Ties
Non-ornamental alternatives: 1212HL, 1616HL, 1212HT, 1616HT Strap Ties