Based on this product's specifications, here are some alternatives and similar models
Shank connector wolfcraft GmbH 2116000 for sanding and polishing discs
Summary description:
The wolfcraft GmbH 2116000 shank connector is designed for sanding and polishing discs without shank. It features a diameter of 1 cm and a shank diameter of 6 mm, ensuring compatibility with various tools. This accessory allows for efficient sanding and polishing, making it a valuable addition to your toolkit.