Trimmer Head Spool Fits RedMax 521819501 PT104 PT104 Plus 4" by Laser $9.02 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION Brand New Trimmer Head Spool Fits RedMax 521819501 PT104 PT104 Plus 4"... Genuine Laser Part # 87160 Genuine OEM Laser Part