HiYi Hot Melt Glue Sticks for Glue Gun Super Sticky Glue Car Paintless Dent Repair Tools Dent Remove Tool 12 Pack Black&Yellow&White Different Kinds of Strong Viscosity Gule Stronger Viscosity Yellow Glue is for Relatively Harder Parts Black /yellow Glue is for Relatively Soft parts . Professional PDR Glue Sticks for Standard Glue Gun work on Car Body dent removal. Standard Glue Sticks Size: 11mm * 295mm/yellow ,white ,11mm * 245mm /black Pack of Weight about 335g Professional grade PDR glue for Car Dent Repair., you need to buy extra gule gun to use together. You can also use glue with ceramics, glass, paper, plastic, wood etc.