Seco Tools India [P] Ltd. Offers Solid Polycrystalline Cubic Boron Nitride Wiper Inserts. Seco Tools India [P] Ltd is an ISO 9001 and ISO 14001 certified company. The Solid Polycrystalline Cubic Boron Nitride Wiper Inserts is designed for optimization in finish machining. It has a wiper on both sides of the corner radii [as the standard] but the protection chamfer is twisted from negative to positive or from positive to negative depending on the application.