SILICON BRONZE MATERIAL; 1-1/2 INCH; 1.5 LENGTH - DECIMAL; 1-1/2 LENGTH - FRACTIONAL; 1/4 INCH NOMINAL DIAMETER; 20 TPI; 1/4 NOMINAL DIAMETER - FRACTIONAL; .25 NOMINAL DIAMETER - DECIMAL; PACKAGING QUANTITY 100 PIECES PER CARDBOARD BOX