Stainless steel quilting pin is the quilting pin made in stainless steel, the head diameter is available in 22mm( 7/8"), 25mm(1") or 30mm (1-3/16"), the head thickness is available in 0.4mm or 1.0mm, the pin diameter is in 12 gauge(2.7mm) or 14 gauge (2.0mm), the standard length is 1", 1.5" 2" 2.5" 3.5" 4.5" over to 8.5". Quilting pin is used for providing support for inside insulation of the insulation blanket so that the inside insulation will not settle down or slide around. Press the quilting pin into the insulation blanket or covers, at the back side, use a self locking washer to lock the pin, then twist the extra pin or use a dome cap to lock the pin end to cover the sharp point. Typical Packing ProductSizePacking QuantityBox sizeWeight per box Stainless Steel Quilting Pins14Ga 1"1000Pcs Per box26脳26脳11 CM3.3KG Stainless Steel Quilting Pins14Ga 1-1/2"1000Pcs per box26脳26脳13 CM3.5KG Stainless Steel Quilting Pins14Ga 2"1000Pcs per box26脳26脳15 CM3.8KG Stainless Steel Quilting Pins14Ga 2-1/2"1000Pcs per box26脳26脳18CM4.1KG Stainless Steel Quilting Pins14Ga 4-1/2"1000Pcs per box26脳26脳32 CM5.5KG ApplicationQuilting Pins website:http://www.xinzeinsulationfasteners.com/quilting-pins/