Ukusebenzisa insimbi engu-40Cr, ngokuhambisana ngokuqinile nezidingo zenqubo, umshini wokuqala onzima, ukucisha kanye nokushisa ukushisa kwe-HRC30-35, ukuqeda ukuqeda nokuqeda ukuphenduka, futhi ekugcineni ukugaya ukuze kuqinisekiswe ikhwalithi yomkhiqizo, i-rust-proofed, ngokuvumelana ngokuqinile ngokutholwa kokubekezelela.