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
M3508-AL,METRIC THUMB SCREWPLAIN ALUMINUM
M3508-B,METRIC THUMB SCREWPLAIN BRASS4.5
M3508-S,METRIC THUMB SCREWPLAIN STEEL4.5