1Made of high quality aluminium alloy, sturdy, durable and lightweight 21/4 inch to 3/8 inch thread screw mount adapter, convenient to use 3Easy to add and remove by hand 4Perfect for putting two photo equipment devices together 5Widely used on camera accessories, such as: tripod, monopod, ballhead, flash light stand, etcDescription: We are dedicated to providing you with high quality products for years. Our products are offered with excellent quality, beautiful facade, delicate design artwork, safe package. This set can be used on tripod, monopod, ballhead, flash light stand, etc. Features: 1. Made of high quality aluminium alloy, sturdy, durable and lightweight. 2.1/4" to 3/8" thread screw mount adapter, convenient to use. 3.Easy to add and remove by hand. 4.Perfect for putting two photo equipment devices together. 5.Widely used on camera accessories, such as: tripod, monopod, ballhead, flash light stand, etc. Specifications: Material: Iron+Zinc plating Color: Silver (as shown in the pictures) Package Weight: approx. 89g Size: approx. 2.8 x 1.5cm / 1.1" x 0.6"; 2 x 1.5cm / 0.7" x 0.6"; 1 x 0.7cm / 0.4" x 0.3" Quantity: 5 sets Suitable: Can connect with camera, flash trigger, adapter etc Package Included: 5 x Sets of Screw Note: 1.Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.