RUBYCA 25MM 100 Sets Large Metal Big Tree Spikes and Studs Metallic Screw-Back for DIY Leather-craft Silver Color Package Includes: 100 Sets of Large Tree Spike Screwback Studs w/ Screws for Leathercraft & Clothes Material: Top Quality Zinc Alloy Metal &#10084 Come with Genuine RUBYCA Zip-Bag Screw Type: Phillips / Slotted &#10084 Shape: Giant Tree Spike Color: Silver &#10084 Size: 25mm = 1 (Height) &#10084 Base Diameter Size: 10mm = 3/8 Warranty information: RUBYCA 60 days manufacture warranty with a proof of purchase. These packs of Spikes and Studs carry a 60-day satisfaction guarantee. No questions will be asked if you are not completely satisfied with the product and want to return it. We only provide our 60-day satisfaction guarantee to the product branded RUBYCA and sold by the seller eART