GT062-8A SCT-USA SOLID CARBIDE GROOVING TOOL. SHANK 3/8. Shipped with USPS First Class. SCIENTIFIC CUTTING TOOLS. Minimum bore .375, depth .500, width .062, shank 3/8. Caoted. Grooving tool is brand new and undamaged. May have been opened for pictures or otherwise. Shipped same day once payment is received.