Stanley Tools offered the numbers 28 and 29 cornering tools. The 28 cornering tool was offered from 1900 to 1969 and was used to make a 1/16" or 1/8" round on the edge of a board. The 29 cornering tool was offered from 1900 to 1969 and was used to make a 1/4" or 3/8" round on the edge of a board.