DESCRIPTION Our 3/8" Dr. Insert Tamper Star-Plus Bit Socket consists of following 2 parts: Sockets: Chrome Vanadium Steel with a knurled double surface. Bits: Zinc phosphate S2 Steel. Processed with hardening and tempering. Enhances safety and security in sensitive equipment. For tasks that involve tamper-resistant screws, such as high-security environments or electronics maintenance. Frequently used in automotive, electrical, and electronics repair. MORE PRODUCTS More 3/8" DRIVE BIT SOCKET More BIT SOCKET