bel art scienceware 18307 0003 round lead rings w vikem vinyl coat
flask stabilizer ring weight 0.36 lb . material coated lead inside dia . 0.74 in . outside dia . 2.0 in . coating material vinyl color red fits 5 to 10ml for use with flasks br b features b ul li color red li li for use with flasks li li inside dia . 0.74 li li item flask stabilizer ring li li material coated lead li li outside dia . 2.0 li li fits 5 to 10ml li li weight 0.36 lb . li li coating material vinyl li ul