Description This is a boat steering wheel maneuvering knob which is made of high quakity materials with fine polishing for durable long time use without fading and deforming. Comfortable handle, suit your palm, palm circular pad allows you to easily implement 360 degrees drive one-handed. Features -Color: Silver. -Material: Stainless Steel. -Size: About 6.55x3.75x3.75cm. - 316 stainless steel with fine polishing for durable long time use. - Comfortable handle, suit your palm, palm circular pad allows you to easily implement 360 degrees drive one-handed. - Easy to install and easy to operate. - Light weight and portable, easy to carry and storage. - Suitable for 20 or 25 mm diameter of the steering wheel. Package list: 1 x Steering Ball