M3506-AL,METRIC THUMB SCREWPLAIN ALUMINUM
M3506-B,METRIC THUMB SCREWPLAIN BRASS4.5
M3506-S,METRIC THUMB SCREWPLAIN STEEL4.5
M3506-SS,METRIC THUMB SCREWPLAIN STAINLES
M3507-AL,METRIC THUMB SCREWPLAIN ALUMINUM
M3507-B,METRIC THUMB SCREWPLAIN BRASS4.5
M3507-S,METRIC THUMB SCREWPLAIN STEEL4.5
M3507-SS,METRIC THUMB SCREWPLAIN STAINLES