Includes (10) 530015941 Retainer RingsNew, Bulk PackedGenuine OEM Replacement Part # 530015941-10PKConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Paramount: PHT19, PLT2145, Poulan: BC2400P, P1500, P2500, P3500, P4500, PE3500, PL25, PL25, PL25, PL25, PT17, PT3000, PT7000, TE450, TE450CXL, TE450CXL, TE450CXL, 112, PP025, PP110, PP113, PP115, PP125, PP165, PP325, PT112, TE450CXL, FL1500, FL1500, FL1500, FL1500, FL1500, FL1500, FL1500, FL1500LE, FL1500LE, FL1500LE, FL1500LE, FL1500LE, GHT220, GHT220, GHT220, GHT220, Weed Eater: 25HO, BC2400, BC2400, BC2400, BC2400, BC2400, BC2400, BC2400, BC24W, BC2500LE, BC2500LE, BC2500LE, Extreme FX25, SST 25 HO, SST 25 HO, SST 25 HO, SST 25 HO, SST LE, SST LE, SST LE, FL20, FL21, FL21LE, FL23, FL25, FL25, FL25LE, FL25LE, FL26, FX26, FX26, LT17, LT7000, LT7500, MX550, MX557, PE550 : PL200, PL500, PL500, PL500, PL500, PROLITE, TE400, TE400CXL, TE400CXL, TE400CXL, TE400CXL, TE400CXL, TE400LE, TE400LE, TE400LE, TE400LE, TE475, TE475Y : TE500CXL, TE500CXL, TE500CXL, TE500CXL, Twist n Edge, Twist n Edge, Twist n Edge, ULTRA, WildThing, XT200, XT200, XT200, XT25, XT250, XT250, XT250LE, XT250LE, XT260, XT260, XT300, XT300, XT300, XT300, XT35, XT400, XT400, XT400, XT400, XT45, XT55, XT600, XT600, XT600, XT600, XT600, XT600, XT65, XT700, GE21 Edger, PE550 Edger, PE550 Ed