Some of the key qualities of Wholesale for WooCommerce v1.8.5 include:

1. User-friendly interface: The plugin comes with a user-friendly interface that makes it easy to set up and manage wholesale pricing for your products.
2. Flexible pricing options: The plugin provides flexible pricing options, allowing store owners to create wholesale pricing tiers based on quantity or user role.
3. Customizable pricing rules: The plugin allows store owners to set custom pricing rules for specific products, categories, or user roles.
4. Minimum order quantity: The plugin allows store owners to set a minimum order quantity for wholesale orders, helping to ensure that wholesale buyers are making large enough purchases to be profitable for the store.
5. Tax exemption: The plugin provides tax exemption options for wholesale buyers who have a valid tax ID or reseller certificate.
6. Integration with other plugins: The plugin integrates with a range of other WooCommerce plugins, including payment gateways and shipping plugins, making it easy to create a fully-functional wholesale store.

Overall, Wholesale for WooCommerce v1.8.5 is a high-quality plugin that allows store owners to set up a professional and effective wholesale pricing system. With its flexible pricing options, customizable pricing rules, and integration with other WooCommerce plugins, it is a great choice for businesses looking to expand their sales through wholesale channels.