Check the listing for details. DeWalt N737410 String Trimmer Spool Line Head Assembly DCST922B Genuine OEM. Condition: New. Listed at 28.73 USD. Item Specifications: OEM Part Number N737410 Brand New - Unused PartsGenuine OEM DeWalt ProductIncludes (1) Spool as pictured Fits These Models: DCST922B (Type 1) 20v Gen2 Brushless String Trimmer DCST972X1 Cordless String Trimmer DCST922P1 5A 20V Gen2 BRSLS KT OUR PLEDGE TO YOU: 30-Day Money Back Satisfaction Guarantee Fit and Function Guarantee Fast, Free Shipping! ~ Check our feedback and buy with confidence Unsure? Email us with your model number and we would be happy to confirm compatibility! - This is a New, Genuine OEM product and it is backed by our 30-Day Money Back Satisfaction Guarantee. Many replacement parts should be installed only by a professional. Be safe. If you are not qualified to install this item, you are more than welcome to return it.