The Quick Back™ label holders are 3 x 1 1/4 (L x H) and fit .187 (D) wires. These attachments are made of molded plastic and have a thin profile that allows for easy opening. The Quick Back™ label holders provide a firm hold for plain paper signs. These clips are designed for right angle hooks and will work on all comparable scanhook systems. The Quick Back™ label holders come 25 per bag and will qualify for cost effective quantity pricing when 8 are purchased at one time.