Welcome to our store！</br> 1、Waterproof Design: The motor adopts waterproof design and related waterproof processes, which have certain anti corrosion functions and can operate normally in rain. 2、High Torque Motor And Copper Wire Coil: Design of a 14 stage 12 slot high torque motor. High purity copper wire coil, maximum efficiency, temperature resistance of 180‑200 °C. 3、Imported Ultra Thin Silicon Steel Sheet: Excellent performance, high magnetic conductivity, high silicon content, good insulation and heat resistance. 4、Sealed Bearing: High speed ABEC5 ultra durable imported sealed bearing, with low friction, low noise, high accuracy, and long lasting use. 5、Good Workmanship: Exquisite workmanship, beautiful appearance design, small portable size, providing you great using experience. <p class="wang-edit-text"><p class="wang-edit-text"> Item Type: C3530 Brushless Motor Main Material: Aluminum Alloy, Copper Product Color: Black Red Weight: Approx. 123g / 4.3oz Shaft Length: Approx. 19.5mm / 0.77in Shaft Diameter: Approx. 4mm / 0.16in Interface: Approx. 4mm / Golden Head Male <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Motor&nbsp; 4 x Motor Base Accessories&nbsp; 8 x Screw&nbsp; 1 x Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>