Perfect for replacing old or damaged spool caps and springs. The spool cover is made of ABS plastic, and the spring is made of stainless steel, which is durable and lightweight. Easy to use—simply remove the old spool cap and replace it with a new one. This kit helps protect the line and holds the spool in place. Spool cover and spring are compatible with Black+Decker trimmers, including models: GH400, GH500, GH600, GH610, GH900, GH912, ST6600, ST7000, ST7700, CST1000, CST1200, CST2000, MTC220, MTE912, NST2018, NST1118, NST2118, LST220, LST300, LST400, LST420, LST136. Color: Orange. Material: ABS, Stainless Steel. Package Contents: 2 × RC-100-P spool caps, 2 × RC-100-P spool springs. Only the items listed are included. Note: Lighting conditions and screen settings may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.