pack of 50 pairs - high strength aluminum two piece ceiling hooks for drop-ceiling t-bars, 50 right and 50 left, white enamel finish, holds up to 15 lbs. 1"w x 1 1⁄2"h glossyend pack of 50 pairs – 50 right and 50 left two piece aluminum t-bar ceiling hooks. hooks lock together along a t-bar to form a secure support for drop ceilings