Rubber Derlin V wheel

From the shop's description

The Mini V Wheel Kit is used together with Mini V plate to create a small linear actuator guide. These Mini V Wheels can be used on a variety of projects and are great for use with any V-slot rails. Each wheel is carefully milled for consistent high precision and tolerance Specifications: Material – Delrin (black) Rockwell Hardness M80 Compressive Strengh 63Mpa Each wheel is carefully milled for consistent high precision and tolerance. Includes: (1) OpenBuilds Solid V Wheel (2) bearing 625RS