For bed assembly at least 2 sets of adjustable bed connector are required.
Bed Centre Beam 23mm U Shaped Connecting Brackets Fixings Components Supports
12pcs Bed Slat Centre Caps Holders, 24pcs Side Slat Bracket Cover (63mmx9mm I...
Sturdy Central Support Bed Bracket Metal - Pack of 2 | Bed Frame Reinforcement
Bed Centre Rail Beam - Bed Fixings - Bed Parts Components - Connecting Brackets
Heavy Duty Bed Brackets Fittings Centre Support Cubes & Bed Centre Support.