Adjustable all-purpose cross bar, adjusts from 3-7/8" to 5". Slips 3/8" IP, holes tapped 8-32. Includes: 2-1/2" head screws & 2-1/4" head screws. 35 lbs load rating. 1 per card.WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to