Durable extruded 6030 alloy aluminum is used in this strong yet flexible restraint that can create 90 degree angles without cutting. The joints do not overlap creating a seamless connection and allows for no loss of material. The V-notch base allows for easy installation for both straight and curvilinear runs. Available in high depth (2.5” H), Standard height (1 5/8” H and low profile (1 1/8” H) which is ideal for architectural hardscape stones such as flagstone, bluestone, granite and more. The perfect choice for the serious professional.