Used to stretch the silicone sleeve placed around the eyeball. Serrated tips aid in gripping the sleeve and allow for adjustable traction.
https://cdn.shopify.com/s/files/1/0605/8249/4420/files/Vitreoretinal_Instruments_Catalog.pdf?v=1663166385,https://cdn.shopify.com/s/files/1/0605/8249/4420/files/Vitreoretinal_Instruments_Catalog.png?v=1663166363