Features:1. Made of quality material, lightweight, anti-rust, durable.2. Installation of the quick release plates to the tripod mount on your camera allows you to quickly and easily attach and detach your camera from a compatible tripod head.3. Extra quick release plates allow you to conveniently swap out more than one camera with the same tripod.4. Specially deisgned for Velbon PH-249Q Pan Head and CX-444 / CX-460 Mini / CX-Compact / CX-888 tripods.5. Easy and convenient to install and remove.Specification:Fitment: Suitable for Velbon CX-444, CX-888, CX-460, CX-460mini, CX-470, CX-570, CX-690, DF-50, SONY VCT-D580RM, VCT-D680RM, VCT-R640Size: Approx. 66 * 52mm / 2.6 * 2.05inch (L*W)Bottom Size: Approx. 43 * 43mm / 1.70 * 1.70inchWeight: 23gPackage include:1*Quick Release Plate(only include the plate ,others not included ).