Feature: 1. SPOOL SPECIFICATIONS: 30ft replacement line is factory wound for a superior feed. 0.065 inches diameter wearable line supports fast cutting and longer lifetime, compatible with spools models AF-100,AF-100-3ZP,AF-100-BKP 2. STRONG AND DURABLE: High-quality ABS spool \u0026amp; durable polyamide nylon thread, flexible and long service life. Aerodynamic shape allows less drag for more efficient cuts. 3. EASY INSTALLATION-- Say goodbye to complicated installations. Press the tabs on the side of spool cap bump cover and release it from the spool housing. Take out the old spool and the spring and clean the spool housing. Put the new trimmer line into the housing and adjust the direction of the spool and then take out a few inches of line thru the eyelet in the spool housing. 4. EFFICIENT CUTTING: The replacement trimmer spool line for is pliable and flexible, allowing for the line to stretch and cushion on impact with hard surfaces, and increasing cutting efficiency by 50%, making each spool to cut more weeds. 5. EASY TO USE: The replacement spool is easy to use , automatically feeds the trimmer by centrifugal force, reducing the tediousness of manually sorting out the replacement trimmer line spool during work. Will be a thoughtful gift for gardening enthusiasts. Specification: Features: SPOOL SPECIFICATIONS: 30ft replacement line is factory wound for a superior feed. 0.065 inches diameter wearable line supports fast cutting and longer lifetime, compatible with spools models AF-100,AF-100-3ZP,AF-100-BKP STRONG AND DURABLE: High-quality ABS spool & durable polyamide nylon thread, flexible and long service life. Aerodynamic shape allows less drag for more efficient cuts. EASY INSTALLATION-- Say goodbye to complicated installations. Press the tabs on the side of spool cap bump cover and release it from the spool housing. Take out the old spool and the spring and clean the spool housing. Put the new trimmer line into the housing and adjust the direction of the spool and then take out a few inches of line thru the eyelet in the spool housing. EFFICIENT CUTTING: The replacement trimmer spool line for is pliable and flexible, allowing for the line to stretch and cushion on impact with hard surfaces, and increasing cutting efficiency by 50%, making each spool to cut more weeds. EASY TO USE: The replacement spool is easy to use , automatically feeds the trimmer by centrifugal force, reducing the tediousness of manually sorting out the replacement trimmer line spool during work. Will be a thoughtful gift for gardening enthusiasts. Note: The product is only suitable for young grasses. For strong weeds, use other tools such as blades to trim. Specifications: Set Type: A / B / C (Optional) Compatible spool models: AF-100, AF-100-3ZP, AF-100-BKP. Material: ABS + Nylon Item Size: Nylon Rope: φ1.65mm transparent, round, Length: 30FT/9.144M Spool: 67.5 * 28mm / 2.66 * 1.1 inch Cover: 85 * 32mm / 3.35 * 1.26 inch Item Weight: Spool: 44g / 1.55oz Cover: 23g / 0.81oz Spring: 8g / 0.28oz Package Size: 22 * 15 * 3.8 cm / 8.66 * 5.9 * 1.5 inch Package Weight: A: 1000g / 35.27oz ; B: 1300g / 45.86oz ; C: 1600g / 56.44oz Package List: A: 8 * Spool 2 * Cover 2 * Spring / B: 10 * Spool 2 * Cover 2 * Spring / C: 12 * Spool 3 * Cover 3 * Spring Package List: A:8 * Spool2 * Cover2 * Spring/B:10 * Spool2 * Cover2 * Spring/C:12 * Spool3 * Cover3 * Spring