Country of Manufacture: CHINA; Material: nickel-coated ironNet Weight: 24g; Package Content: 1 x Universal JointMain Color: Silver Tone; Total Size: 35 x 14mm / 1.38 inch x 0.55 inch (L*D)Feature: Set screws; Connection Diameter: 8mm to 8mm/0.31 inch to 0.31 inchThread Size: M4.
eBay