the crowbar material:railway steel heat treated :42-47HRC size:12LB,14LB,16LB ... by railway steel ,the bars are high-grade heat treated .The process1.Raw material:45# carbon steel 2 ... high polished ,heat treated 3.Size:various spec,client's design and logo are welcome 4.Handle:fiberglass ,ash , ... to ensure the durability.production process:drop-forged,heat-treatment,fine polished ,paint coating 10.OEM&ODM ...