Sunan samfur: Kwayoyi masu rarrafe/Castle Kwayoyin
Girman: M8-M56
Darasi: 6, gr.2
Abun Karfe: Karfe/35k/45/40Cr/35Crmo
Surface: Plain, Zinc Plated
Na al'ada: DIN935, ANSI/ASME B18.2.2
Ana amfani da ƙwaya mai ramuka tare da zaren zare da ƙuƙumi da ginshiƙai don hana jujjuyawar dangi zuwa goro.