Features: brand new and high quality Universal 3/8 hole slide bar, to achieve the transfer of threaded holes to the slots accessories. Aluminum alloy material. Support extension. Double locking. Polished and anodized. Compact and lightweight. Easy installation by using 1/4 screw to fix on the camera cage. Spring-loaded pins are designed at both ends of the rails to prevent accessories from falling off. Specifications: Color:Black Name: Universal Slider Material: aluminum alloy, stainless steel screws Distance range of Installing center hole : 23mm(min)-43mm(max) Size: 65x10mm Weight:19g Package Includes: 1 x 63mm Slider 1 x Hexagonal Screw Wrench 2 x 1/4 screws note: No retail package. Please allow 0-1cm error 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!