Description: Manufactured; Made of high quality metal material, durable, stable, scratch resistant. wear and tear for our use. Designed for those with dual 1/4" male or 1/4" threaded screws. and 3/8". Suitable for connecting a variety of of 1/4" or 3/8" screw holes. Widely used; on camera accessories such as tripod, monopod, ball head, light stand, video light. Screws only, other accessories demo in the picture are not included! Specifications: Item Type: Screw Adapter screw Material: Metal Size: 20x5mm/0.7x0.1in Color: Silver Type: A: 1/4 " 1/4", B: 1/4"" 3/8" (optional) Quantity: 1 Pc Note: No retail package. Transition: 1cm=10mm=0.39inch Please accept 1-to-1 error. 2cm due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes A: 1x1/4" 1/4" adapter to; male screw B: 1x1/4 "male " 3/8" adapter to; male screw