Crafted from durable, all-metal material with a galvanized finish, offering wear resistance, rust protection, and long-lasting use. Easily assembled and disassembled by hand for convenient use. Features a precision valve with a threaded adapter: 1/4'' Male to 3/8'' Male. This easy-to-install metal adapter connects two pieces of photographic equipment with different sized male plugs (1/4\" and 3/8\"). This conversion screw is the perfect accessory for your camera and other equipment, covering most usage scenarios. This camera screw adapter is compatible with most SLR cameras, tripods, monopods, ball heads, flash brackets, and shoulder camera accessories. Provides strong loosening force and easy installation with a 1/4\" to 3/8\" threaded adapter. Made of metal with a galvanized surface for wear resistance, rust protection, and durability. Connect a variety of photographic accessories, such as studio lights and hot/cold shoe adapters. Suitable for 1/4\" tripods or 3/8\", monopods, quick release plates, umbrella holders, spotlights, and other photographic equipment. Type: Lamp Holder Screw Material: Metal Quantity Supplied: 2 pieces Size: 2.8 inches / 7 cm Weight: 5.8 oz / 164 g Applicable Products: Digital Camera Tripod Head Product Features: Adapter Screw Specifications: Set of 2 Iron Screws