Suitable Needles:Any Standard , or Aroow C121, T121, Y121, T131, C131, B131. Suitable Tag Pins: Any 50 pcs Standard Tag Pin, Standard Hook Pin, Standard `V' Pin, Standard Ring Pin. Fabric Piercing Diameter:- 2.0mm. Maximum Thickness Of Fabric:- 10.0mm. The best tool for any tagging application . Brand new price tag gun with extra needle and 2000x 2" barbs . The barbs are easy to use, attaches barcode and price tags to clothing. Always install the protective cover over the needle when not in use. The steel based needles are in highest quality . Compatible with regular barbs, attachments and hook attaches. Features ~ Fast and easy | Pull the trigger and price tags are attached | Loads full strips of plastic fasteners | Attached Needle Guard Specifications:- The maximum thickness of this standard tag gun needle will tag completly through is 1/2" with 2mm approx. of piercing diameter | Applications ~ Standard tagging guns are used for general purpose tagging on garments such as stuffed animals, pillows, blue jeans, sweaters, sweatshirts, "T" shirts and products made from heavier nylons. Note ~ Always test the fabric by putting the barb (fastener) in an inconspicuous spot on the garment or simply put your barb through the size tag on the garment. Color: Random.