[" brand new and high quality Feature: Made of imported stainless steel plate. Good stencil thickness. Can be directly heated by air-gun, steel mesh is not easy to deformation by heat. Steel mesh area and BGA chip area matching, can reduce the waste of solder ball. Each set of 10/27 pieces. Basically covers the current common BGA chip. Universal Stencils only, other accessories demo in the picture is not included! Attention: Better solder ball has normal content of tin and silver. Melting point is normal. Direct heat with air-gun, adjust the temperature. No need too high temperature, otherwise cause deformation. Specifications: Item Type: Universal Stencils Material: Steel Size: 90x90mm/3.5x3.5in Color: Silver Quantity: 10pcs/set, 27pcs/set(Optional) Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 10/27 x Universal Stencils"]