Feature

●Screw Material: 304 Stainless Steel, Nut Material: Rubber
●Screw Size: M4 x 20mm, Color: Black, Silver
●Vibration and shock resistant, noise suppression Fixed to stop holes, burr-free holes
●Easy to install and use
●Great for kayaks, boats and other rowing boats


Description

Features:

1. Nuts are made of superior brass, durable for long time use, sturdy and anti-deformation.

2. Nut bushings are made of high quality rubber, wearable and tough.

3. Flanged edges face outward, keeping the entire assembly in place.

4.Convenient accessory for sealing holes and blocking vibrations

5. Suitable for motorcycles, kayaks, canoes, etc.