This is a set of Manfrotto 059 single background paper holder hooks. These are metal hooks for mounting background paper to walls or ceilings, designed to support a single background roll. They have a sturdy steel construction for stability. This listing is for a set of two. Size (measured): Width: approx. 4cm Pin diameter: approx. 1cm There are some scratches and paint剥がれ (peeling) from use, but there are no issues with functionality. *Please check the images for the condition.