Ryobi 638006004 Line Trimmer Bladed Pruner Attachment Blade Genuine Original Equipment Manufacturer (OEM) Part This part is compatible with models including; UT20817,UT20736,UT20818,UT20735,UT20779,RY30160,UT20712,UT15169,UT20711,UT20777,UT20710,UT15204,RY30120,UT20734R,UT20774,UT20773,RY30140,UT15159R,UT15180,UT15181,UT20826R,UT15164,UT15165,UT15702A,UT15200,UT15160,UT20823,UT20827,UT15157,UT15179,UT20723,UT20722,UT20763,RY30570,UT20784,RY30971,RY30530,UT20780,RY30550,RY30931,RY30951,UT15170,UT15154,UT15177,UT15151,UT15152 This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 099075001001,D98717C,06297,98512,UP06729 Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Ryobi This blade (part number 638006004) is for line trimmer bladed pruner attachments Follow the instructions in the owner's manual when installing this part