Made of wonderful iron,more durable,sturdy Fit for T8 lamp Easy to install,used in home,office,indutry colour: silver Material: iron size: 35x27mm; Width:9mm/0; Hole Diameter:4mm/0 Package Contents: 120 x T8 U Clips Only the above package content, diversified products aren't included. Note: Light taking pictures and assorted displays could cause the colour of the thing within the photograph slightly diversified from the real thing. The dimension allowed error is +/- 1-3cm.