Graber/Bali/Nanik Blind Wand Tilt Mechanism (1/4" Hexagon Hole)
Graber/Bali/Nanik Low Profile Wand Tilt Mechanism - 1/4in Square
Hunter Douglas Shutter Hidden Tilt Bar Connector | Older Version
Heavy Duty Low Profile Wand Tilt Gear Mechanism (1/4" Hex Hole)