ITEM NAME:Echo Speed-Feed 400 Bump String Trimmer Head for SRM-210 225 230 Lawn Mower Product Description Description: Features: High capacity and fast loading. Suitable for SRM-225, SRM-230, SRM-210. New Echo Speed-Feed 400 Heads. This product is suitable for most Echo SRM straight axle trimmer models. It takes only three simple steps to reload in 30 seconds without removing the head. Specifications: Color: Black Weight: 340 g Shape: round Size: 10 x 10 x 6 cm/3.94 x 3.94 x 2.36" Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow slight measuring deviation due to manual measurement. Included: 1 x Trimmer Head.New Echo Speed-Feed 400 Heads. High capacity and fast loading. Shape: round. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.