Opens at high load, recommended.

10765 black (for cords from 5-6 mm)
10794 black (for cords from 8 mm)

10311 white (for cords from 5-6 mm)
10467 white (for cords from 8 mm)

10365 custom colour (for cords from 5-6 mm)
10366 custom colour (for cords from 8 mm)

Cannot be combined with cotton cords and cork round cords.