This adapter consists of a Mini-DisplayPort/Thunderbolt Male on one end and a DVI Female on the other

This TNC male solder pin

It is primarily used to connect a mini-DisplayPort/Thunderbolt source to a DVI-D display

5mm Max Wire Gauge Screw Down Terminal Accepts 23AWG HDMI Version Supports HDMI 1

2 - O-shape sealing rings

Neutrik DMX 4-pin Female to Solder D-Cut Receptacle security This adapter consists of aThis connector is a 4 pin female receptacle with solder cups, nickel housing and silver contacts. Physical Characteristics Housing Nickel Connector Type XLR Temperature Range 30 to +80 Contact Plating 2 m Au over 2 m Ni Contacts Brass Insert Polyamide Locking Element Steel Ck67 Shell Zinc Diecast Shell Plating Nickel Gender Female Electrical Characteristics Capacitance between Contacts 7 pF Contact Resistance 5 m Dielectric Strength 1,5 kVdc