Black & Decker BDL100AV All-In-One SureGrip Laser Level for $13.00. Shipping is free on orders over $25. If needed, use this Filler Tool to pad the order to qualify for free shipping. Here is a screenshot for your reference. It features mark-free technology holds laser level securely for up to 2 hours, magnetic attachment, visual level indicator, and audio signal aids when out of sight. Most places have it for over $27.