Pack of 100 insulation dowels, diameter 10 mm, polystyrene dowels, plate dowels, PP professional Material - Polypropylene (PP) / Galvanized steel Diameter - 10mm Drill diameter - 10 mm Scope of delivery - 100 pieces ✔ Shipping is by DHL. You only pay postage once, no matter how much you order. If there are different shipping costs for different items, the higher shipping amount will always be charged ✔ Shipping always insured with tracking ✔ Secure & convenient payment methods ✔ VAT invoice ✔ 1 month return policy ✔ eBay Guarantee ✔ With every purchase you will receive a VAT invoice. ✔ If you have individual inquiries, wishes or general questions about the items, please contact us, we will be happy to help you. Our contact details can be found in the "Legal information from the seller" i.