wheel for the precise regulation of the parallelax Hawke Sidewinder Type 4 anodized aluminum, making it light, durable and easy to install. Large size - The diameter is 100 mm - make it easier to manipulate the knob. On the outer edges of the readable distance markers , which will help in the precise regulation of the telescope have been laser.
The add -on is only compatible with Hawke Sidewinder 30 SF and Hawke Sidewinder 30 FFP.