Nickel plated steel clip approx 10mm long, 7mm wide & 7.25mm deep. It is only available in nickel silver. Used on Elastic, cord & tape to form loops or joins. It is commonly used on 2.5mm-4mm items. This steel-based nickel plated item is sold in units of 10 pcs. Please see HERE for tools to set this item on our KPR1 press. We are not aware of any hand tools to set this item.