Buckaroo Straight Edge 8′ x 1 3/8″ x 2″ (CC428L) with Level Vial is a one-man straightedge for floating or striking off concrete. A 8′ blade of Genuine Extru-Liteâ¢ Magnesium forms the base of the tool. The bottom edge features a round edge for floating and a square edge for cutting. Magnesium is 30% lighter than aluminum straight edges. End caps fit within either end of the blade to eliminate potential for build up of material. Smooth tapered handle includes top reading adjustable level vial for easy positioning. Position the level to create a subtle slope for drainage. Ideal for concrete or landscape construction. Proudly made in the USA. It is 30% lighter than aluminum to resist fatigue and is a versatile tool that has a round edge for floating and a square edge for cutting and a top reading adjustable level vial for easy positioning.