10 Pcs Stainless Steel Single Head Stud 10mm, 15mm, 20mm, 30mm, 40mm, Silver
Material: Stainless steel, strong, resist rust, corrosion-resistant, compact and portable.2. Easy to install, hexagonal design allows tightening with a wrench.3. M6 hex standoff male to female length is 10mm, 15mm, 20mm, 30mm, 40mm different size can satisfy your different needs.