Head Diameter: 19mm / 3/4"; Total Height: 23mm / 0.9"; Package includes:100Pcs Upholstery Tack Nail. Made of high quality metal and double layer electroplating process finish , smooth touch, firm and no burr, as a perfect decoration. They are of unique antique style, it is ideal for wood and leather furniture decor. You can use them as decorations on sofa, beds, wood shelves, walls, etc. Follow your creativity and enjoy your DIY fun. Strong and heavy weight items for upholstery industry, with proper tools you will not need any prefix hole. Please don't compare this items with flimsy cheap DIY nail heads. Under normal use, these thumb tacks can be used for long time. Please don't use any chemicals to clean nailheads, it may damage the surface finish in time, so please just clean them with dry peace of cloth. They will always stay bright. Specifications: ✿ Color: Bronze ✿ Material: Brass ✿ Diameter of nails head: 3/4"(19mm) ✿ Shank length: 0.9"(23mm) Package Included: ✿ 100Pcs x 3/4" Upholstery Tack Warm Prompt: 1.The actual product maybe slightly different from the picture shown due to lighting and the color setting of each individual monitor. Please allow the slight color difference. 2.Small parts, not suitable for children under 3 years. 3.Use rubber hammer, safe glasses are needed. 4.Do not hammer with bare hands, in case of hurting yourself.