SAMZHE Hex Key Set, 9 Pieces, Household Universal Tool Kit, Hexagonal Screwdriver with Flat And Ball Head, SZ-BS04

Forged from chrome vanadium steel, high-frequency quenching treatment, overall heat treatment

High torque, good toughness, high hardness, sturdy and durable

Torque testing conducted in SAMZHE laboratory, strong torque, easy twisting, instant screw breakage

Mist nickel plating technology for wear resistance and rust prevention

Precision electroplating for smooth and aesthetic surface, long-lasting lifespan

Dual-use design with ball head and flat head, ball head allows for 25° space movement for convenient operation in narrow spaces

Ball head should not be forced, flat head can be forced, ball head hexagon can be used at multiple angles

Suitable for various scenarios such as furniture repair, car maintenance, assembly and disassembly of components, toy disassembly, mechanical repair, and bicycle maintenance