Hazard 4 Daisycutter Aviator Sunglasses - OD Green, Large brand_-Viscount A Collet Neck sizing die

A Collet Neck sizing die - used on your fire formed brass giving you best possible accuracy

snug hold on the rail and ring

and it clamps to the rail via two spring-loaded quick-release levers

It's a durable

Hazard 4 Daisycutter Aviator Sunglasses - OD Green, Large brand_-Viscount A Collet Neck sizing dieThe Hazard 4 Daisycutter is a modern aviator style pair of everyday sunglasses in OD green, hand finished in Italy from bent, welded and screwed steel with a matte PVD or polished (never plated) finish. The frame is computer modelled and 3D print refined before being hand built, and can be bent by the wearer to better match their face shape. Grey lenses carry a U6 UV rating, blocking 99. 9% of UV rays, with an anti reflective coating on the inner face