Features:
1. High Quality: They are made of nylon, and there are many threaded rings outside to increase friction. They are durable for a long time and will not slip or slide.
2. Easy to use: Just tap with a hammer to install the lock sockets. They can convert the 5/8'' lock sockets to 1/2'' and minimize the friction between the metal.
3. Packaging: You will receive 4 or 8 lock socket inserts. They can tighten your boat tightly and closely fit your boat to make your paddle smoother.

Specfication:
Material: Nylon
Color: Black
Inner diameter: 1.27cm/1/2"
Outer diameter: 1.6cm/5/8"
Height: 4cm/1.6'

Packing List:

8 * Oar Lock Socket Inserts

Note:

1.Please allow 1-2cm measuring deviation due to manual measurement.

2.Due to the different monitor and light effect, the actual color of the item might be slight different from the color shown on the pictures. Please Understand. Thanks!