Oval Thumb Turn For Security Rack Bolts - Polished Brass (Lacquered) | G Johns & Sons
Rack Bolts | Thumb Turn Lock | Door Security Bolts
Yale P-M44T-CH Door Security Bolt with Thumbturn, Chrome Finish, Standard Security, Visi Packed, Suitable for hinged and Wooden Doors - Barrel Bolts - Amazon.com
Carlisle Brass AA33CP Polished Chrome Oval Thumbturn For Rack Bolt Supplied by Ironmongery Plus