Levolor Riviera Mini Blind Tilt Mechanism (5/16" D Shape Hole)
Heavy Duty High Profile Cord Tilt Gear Mechanism - 1/4" Square
Heavy Duty Low Profile Wand Tilt Gear Mechanism (1/4" Hex Hole)
Hunter Douglas Low Profile Cord Tilt Mechanism (3/16" Chevron)
Heavy Duty High Profile Cord Tilt Gear Mechanism - 1/4" Square