1. All-metal material, electroplated surface, anti-wear, anti-oxidation, durable; 2. Multi-combination design, can be used for devices with 1/4 or 3/8 screw or thread, used widely. Specifications: Color: Bright white Main Material: Iron alloy Net Weight: 20g Package Contents: 1 x 1/4 -1/4 Metal Adapter Screw 1 x 1/4" to 3/8" Screw Adapter 1 x 1/4" 3/8" Light Umbrella Holder To Tripod Screw Adapter SKU:F80723