9pk OEM Solid SPK Blade for Exmark 46 Cutting Deck Lazer Z Zero-Turn Lawn Mower. Fits: Exmark: 46 Lazer Z LHP19KA465, LHP23KA465. Fits Exmark: Lazer Z HP 600,000-669,999; 670,000; 720,000. This product is brand new and will come in original factory packaging. We are proud to be a factory authorized retailer. We use several different carriers and choose the most economical for the item and destination based on the estimated transit time displayed.