Features: Suitable for variety of pin connections required to use serial communications industrial control products High quality PCB carrier, all signal ports named and labeled clearly No soldering needed! This is SO convenient. With insulation case and all-copper base, contacted better and more anti-oxidation Cable Hole Dia. : 10mm / 0.4";Material : Metal,Electric Part DB25 weld-free male/female adapter. The shell of the product is made of insulating material and has anti-slip function. All copper base design, pure copper plated joint, fine solder joint, anti plug and pull. Suitable for all kinds of communication, network, electronic equipment port. Product Information: Total Size : 59 x 55.5 x 23mm/2.32" x 2.18" x 0.9"(L*w*h) Terminal hole diameter: 0.12''/3mm, terminal hole center distance : 0.2''/5mm Material : metal Nickel plated copper needle, electric part; color : black, Green Weight : 60G DB15 male / female connector to screw terminals. High quality RoHS compliant assembly. Wire range: 26-16AWG Rated current: 10A Connect type: Female with Case Material: Base: copper base and plastic part Torque: 0.2Nm (1.7Lb-In.) Pin header and cage: Brass Case: ABS + PC Applications Industrial control equipment, radios, computers, tax control machines,automation control equipment, industrial instruments, etc.