Mazzer Doser Return Spring Repair Kit Home Shop Parts Product Specific Parts Grinder Spare Parts Mazzer Grinder Spare Parts Mazzer Doser Return Spring Repair Kit $22.00 AUD Inc. GST Quantity: Add to cart View cart Add to wishlist Tell a friend Suitable for all Mazzer grinders. Kit includes Mazzer doser return spring, 3mm Allen key and Food Grade lubricant.