Description: [Versatile Compatibility]: Designed to fit for models 150, 190, and 250, this air chisel head is good for a variety of pneumatic tools including air chisel, wind chisel, and rust removers [Construction]: Air Hammer Spring Crafted from metal, this chisel head ensures long last durability and reliable performance in demanding work environments [Compact Dimensions]: With a size of 35x32mm, the chisel head is compact yet effective for precision tasks and easy handling during operation [Multifunctional]: suitable for use with air hammers and pneumatic , providing flexibility for various projects,pneumatic chisel universal spring,air hammer spring [Portable and compact]: the small and lightweight design makes it easy to carry and store, suitable for use in multiple locations,air hammer retaining spring,replaceable air spring Specification: Material: Metal Size Chart: 3.5cmx3.2cm or 1.38inchx1.26inch Package Includes: 3x Air Hammer Spring Note: Please allow slightly errors 1-2cm or 0.39-0.79inch differences due to manual measurement. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.