product description Heat treated for exceptional wear | High carbon steel | Each end makes a different size joint | Hand polished and finished RELATED MATERIAL TESTING EQUIPMENT Quick view Add to Cart "R" Style Convex Jointer - 3/8" X 1/2" $9.98 add to cart view Quick view Add to Cart "R" Style Convex Jointer - 5/8" X 3/4" $9.98 add to cart view Quick view Add to Cart "R" Style Convex Jointer - 7/8" X 1" $9.98 add to cart view Quick view Add to Cart "M" Style Convex Jointer - 3/8" X 1/2" $9.98 add to cart view Quick view Add to Cart "M" Style Convex Jointer - 1/2" X 5/8" $9.98 add to cart view