Durable---- Spikes and Studs Made of Alloy, Screws Made of Iron. Each is Smooth with a Fine Finish, and with no Casting Lines,Fine Workmanship and Durable. Sizes and Colors ---- 5 Different Sizes Tree Spikes, 70 Sets Different and Sizes Screwback Studs Along with 2pcs to Your Needs for Different Leathercraft DIY Project.Easy Installation Even You're a New Hand. Easy to Use ---- Coming with Install . These are Pretty Sharp and You Will Love ! Just Need Punch a Hole and Screw on.They Will Definitely Look Cool with Your DIY Project. You Can't Missing. Wide Application ---- Ideas for Decorating , , Belts, Jacket, Dog , Garments, Clothing and more leather craft DIY making. colour: silver Material: Metal Contents: 32 x Tree Size: 8 x 12 MM ( 5/16 x 15/32inch ) 16 x Tree Size: 6.5 x 20 MM ( 1/4 x 25/32inch) 8 x Tree Size: 10 x 20 MM ( 3/8 x 25/32inch) 8 x Tree Size: 10 x 24 MM ( 3/8 x 15/16inch) 6 x Tree Size: 10 x 27 MM ( 3/8 x 1 5/64inch) 70 x Screw Height:15/64inch 1 x Hole Punch 1 x Screwdriver 1 x Clear Storage Box Only the above content, other are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 54 hours.