Size DetailThe Taper Bar Thickest Gauge Size:18G(1.0mm),18G(1.0mm),16G(1.2mm),14G(1.6mm).Taper Bars length:About 30mm. High Quality MaterialMade of High Quality Stainless Steel, Highly Polished Surface,wont Fade or Tarnish,Safe and Comfortable to Wear Using Instructions:1.Put a Half Part Of Piercing Taper Into The Hole. 2.Push Piercing Bar Into The Hole of The Taper. 3.After Through Your Hole, Take The Taper out of The Hole and Let The Piercing Bar Stay. 4.Screw the Piercing Top or Bottom. AfterSales ServicesQualified and Efficient, Committed to Giving Customers a Perfect Shopping Experience, 90Days Money Back Service If You're Not Satisfied, Any Problem Please Feel Free to Contact Us and a Solution is Guaranteed in 24 Hours Body Piercing Kit3 Different Types,Including Internal Thread Type, External Thread Type, Pin Insert Type,You can Select the Type that Best Suits Your Needs,in Every Set,You will Get Various Sizes of Piercing Taper Insertion Pins,Which Will Fit Most of Your Jewelry Piercing Sizes