The WooCommerce Advanced Product Quantity extension makes it easy to set minimum and maximum product and cart quantities. Set fixed quantities for individual products, or display interval-based quantities in a dropdown.
Set quantity limitations by user role, and customize the error messages that display if a customer tries to purchase too much.
Download : WooCommerce Advanced Quantity Nulled v.3.0.2
Changelog v. 3.0.2 - Solved problem with +/- on mobile firing events twice - Changed some styling to quantity suffix - Removed display price from the product list in the admin area for performance and administrative reasons - Solved problem with Dropdown and decimal quantity causing wrong quantity to be added to the cart