80 35mm/ 3.14 1.37 inch. Spring: 28 26mm/ 1.10 1.02 inch. Made of high quality alloy steel, heavy duty high hardness steel, quality chisel bits set.
Use for tire repair , windpipe pressure seam edge and so on. The air hammer drill bits need to be installed in the Pneumatic sewing machine, and connected with the air compressor for using. All products are brand new, unused unopened and undamaged item in original retail packaging.
All items will be securely packaged. The item "4pcs Smoothing Pneumatic Air Hammer Bits Air Chisel Bits Tool Set with Spring US" is in sale since Friday, June 4, 2021.
This item is in the category "Home & Garden\Tools & Workshop Equipment\Air Tools & Air Compressors\Air Hammers". The seller is "yaemart*2020" and is located in Multiple Cities. This item can be shipped to United States.