Made of ABS material, high strength, good toughness, excellent wear resistance Protect the spool and line, and let your lawn trimmer work safely Convenient to change, easy to install A great replacement part for your lawn mower Specifications: Part number: 90588530 Material: ABS Compatible with: Black & Decker STC5433 Type 1 Black & Decker STC5433PC Type 1 Package included: 2 x Line Spool Caps Other items not include Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!