1. Size: Multi-purpose design using 1/4 screw on one end and 3/8 screw on the other end for an overall length of 70 mm. Precision manufactured spigot with 1/4 inch "male" to 3/8 inch "male" thread adapters. 2. Uses: Can be used to convert screws to screw by hand onto a light stand or tripod, can be attached to camera flash triggers, attached to the bottom of the flash shoe of a conversion stand, etc. Suitable for a variety of light stand conversion. 3. Wide range of applications: Can be connected to a range of different p ographic accessories, such light stands, shoe/card adapters, ball heads, wireless flash receivers, triggers and so on. 4. MATERIAL: (Aluminum) all metal material, plating, anti-wear, , . Material: Aluminum Color: As shown Package Contents: 5 x Screw Adaptor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.