M3501-SS,METRIC THUMB SCREWPLAIN STAINLES
M3502-AL,METRIC THUMB SCREWPLAIN ALUMINUM
M3502-B,METRIC THUMB SCREWPLAIN BRASS4.5
M3502-S,METRIC THUMB SCREWPLAIN STEEL4.5
M3502-SS,METRIC THUMB SCREWPLAIN STAINLES
M3503-AL,METRIC THUMB SCREWPLAIN ALUMINUM
M3503-B,METRIC THUMB SCREWPLAIN BRASS4.5
M3503-S,METRIC THUMB SCREWPLAIN STEEL4.5