Stubben Steeltec Twisted Mouth Gag Bit. Stubben has taken great care to engineer this durable stainless steel bit so that the connection between the gag loops, eggbutt, and mouthpiece are fitted exactly, with no rough edges of any kind. The twisted mouth is especially effective with horses that pull, and the design of the bit allows effect aids both in the horse's mouth and on the neck/poll. 16 mm mouth, 80 mm rings. Sizes: 5, 5.25, 5.75.

Stubben part number 2232

A bit of general information and background about Stubben Steeltec Bits:

Since being founded in 1894, the Stubben Company and Stubben products have exemplified the traditional, Old World, European standard of craftsmanship in all their equestrian products. A relatively recent addition to the Stubben product line, the Stubben Steeltec Bits are no exception. The high quality materials and craftsmanship produces well engineered, durable bits at an exceptional price.