Stainless steel. Sliding cheek weymouth bit with cambridge ported mouth. The sliding cheekpiece gives a less direct action than a fixed cheek. May be used on it's own, but most often used with a ring bradoon.

This bit is also available in a set complete with a ring bradoon.

Pony Size (11.5cm/4 1/2")
Mouth Thickness 15mm
Cheek Length 125mm