Pins: 4 |Finish: Nickel plated |Material: Steel|Cross Reference: Errebi: U4D / Silca: UL052 / Silca: ULO52 / JMA: U-4D / HD: UL062 / HD: NS9CS / HD: PSNS9CS / HD: SN9CS / HD Hook: XH230 / HD Hook: H0156 / KL: UN4D / DL: NS9CS / Orion: UNL4 / Ilco: WA91W / CEA: UN2 / Curtis: WMS-1 / Mister Minit: 392 / SKS: 207C / RST: W266 / C Birch Hook: 5845 / Keyprint Hook: H134K