22 in 1 Rotating Screwdriver Set Magnetic Repair Tool with Detachable Handle for Cellphone Computer Tablet PC Electroni

20pcs industrial steel screwdriver bit, continuous heat treatments. Auxiliary high-precision control integrated molding, carbonization heat refining, industrial service life, hard but not broken, full of toughness. Includes different kind of screwdriver bit to meet the needs of professional use, home life, work, maintenance. Multi bit magnetic screwdriver set locking structure of arm is extremely stable, providing excellent performances and long service life. 22 in 1 Rotating Screwdriver Set Magnetic Repair Tool with Detachable Handle for Cellphone Computer Tablet PC Electroni. Features: 20pcs industrial steel screwdriver bit, continuous heat treatments. Auxiliary high-precision control integrated molding, carbonization heat refining, industrial service life, hard but not broken, full of toughness. Includes different kind of screwdriver bit to meet the needs of professional use, home life, work, maintenance. Multi bit magnetic screwdriver set locking structure of arm is extremely stabl