The M6 Wire Hangers (60mm) are only available from us in boxes of one hundred. This product is for use with suspended ceilings. It is designed as an anchor and supporting feature that suspension wire is passed through. It is easy to install as all that is needed is to drill a hole in the concrete and then simply knock the wire hanger in. It is made from steel with an anti-corrosive zinc coating and yellow finish. It is also fire resistant. If you need any further information regarding this product, please speak to a member of our expert team today..