1Replacement Blades: lawn mower blades are the replacement for garden peelers, trimmers and lawn mowers2Product Parameter: Length: 83mm, large circle diameter: 12mm, small circle diameter: 7mm3Easy to Install: install the blades without any tools,and it is safe and convenient4Wide Compatibility: Suitable for art23 li accutrim easytrim accu gtech st 04 & st 05 strimmer / trimmer qualcast mown trim easi-lite 28, 30 homebase st05 sovereign st05ur: red + greenMaterial: plasticPackage Contents:50 x Trimmer Blades (Red)50 x Trimmer Blades ( ) the above package content, products are not includedNote: shooting and different displays may cause the color of the item in the picture a little different from the real thingThe measurement allowed error is +/- 1-3cm