6-Piece Smoothing Pneumatic Air Hammer Bit Set 40Cr Steel Pneumatic Chisel Bits with Spring Features:6-piece air hammer bit set, enough, satisfied for different demands.Complete set: 2 x springs, 2 x flat head hammer bits, 2 x spherical head hammer bits.Each bit, made of high quality 40Cr steel, sturdy, durable, bearable of power percussion work.The tools, very suitable for 250mm air pneumatic hammer.Use: form metal plate, repair tire, windpipe seam, crush hard rock, etc.Specifications:Material: 40Cr SteelColor: Dark GreyPackage Size: 18*8*7cm / 7.08*3.14*2.75inPackage Weight: 745g / 26.27ozNote:6-piece air hammer bit set only, other accessories in the pictures are not included.Due to lighting or other reasons, the picture and material object may slightly differ.Due to manual measurement, there may be deviation, please in kind prevail.Packing List:2 * Spherical Head Hammer Bit2 * Flat Head Hammer Bit2 * Spring