HooAMI 300pcs Stainless Steel Connector Clasps 9x3mm - Fit 2.4mm Ball Chain Material:Stainless steel(Cadmium Free) Approx:9mm x 3mm;Hole size: 3mm 1.3mm Thickness: 3mm Color:dull silver tone(not silver plated) Quantity:300pcs Perfect for jewelry making,necklaces, bracelets,anklets and other DIY project