woocommerce_product_options_dimensions action-hook . WC 1.0

Usage

add_action( 'woocommerce_product_options_dimensions', 'action_function_name_3089' );
function action_function_name_3089(){
	// action...
}

Where the hook is called

do_action( 'woocommerce_product_options_dimensions' );

Where in WP core the hook is used WooCommerce