This heavy steel bit is a straight bar loose ring snaffle with three rotating discs.
Each disc an eyelet, the central one has three players attached to its eyelet, one player is probably a replacement - it is larger than the others.
I have seen similar bits described as "tickler" bits
Dimensions of bit : Mouthpiece 14cm (5½")
Weight 852g (1 lb 14 oz)
Ref : bit196
Price :£38.00 (+ £4.50 insured shipping within UK which should take 24-48 hours),
Please EMAIL for shipping costs outside the UK