SILICON BRONZE MATERIAL; 1-1/4 INCH; 1.25 LENGTH - DECIMAL; 1-1/4 LENGTH - FRACTIONAL; 5/16 INCH NOMINAL DIAMETER; 18 TPI; 5/16 NOMINAL DIAMETER - FRACTIONAL; .3125 NOMINAL DIAMETER - DECIMAL; PACKAGING QUANTITY 100 PIECES PER CARDBOARD BOX