Marshalltown - 16131 Brick Jointer 1/2 inch X 5/8 inch is a concave design produced from high-carbon steel. Polished for ease of use Tempered for long lasting life No. 16131: Number 1 End Size is 1/2 inch, Number 2 End Size is 5/8 ich, Package Quantity is 1 | The Jenks Industrial SKU is 370819