N-suit is a round head and a countersunk head. I-suit is flat and countersunk. M-suit is flat head round head. O-suit is all round head.
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Description: Name: screw 18 Types Each type about 27pcs Total about 500pcs/set Box Size:10.7*6.8*1.4cm Packing list: 500Pcs screw Note: Color deviation might e..