Push-pull system spring lock for hatches and doors. Fitted with 4 spacers + 1 seal.Nylon frame and stainless steel springs.A = Round S knob.A1 = Round knob with spacer.B = Rectangular knob.B1 = Rectangular knob with Spacer.C = Convex knob.C1 = Convex knob with Spacer.
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