It is an S-shaped hook that can be fastened up to a bar (round type) with a diameter of about 1.5 cm

DIMENSIONS:

Medium: W4.0 x H8.5cm / W1.6" x H3.3"
Large: W5.5 x H11.0cm / W2.2" x H4.3"
Long: W10.0 x H20.0cm / W3.9" x H7.9"

SKU#:

Medium: 4550182932379
Large: 4550182932362
Long: 4550182932393

! NOTE:

Only hooks included (Other accessories not included in the pictures)