Comparison : Item # 1546-A-2-A-0, Spacer - Hex - Swage
Item # 1546-A-2-AL-0, Spacer - Hex - Swage
Item # 1546-A-2-B-0, Spacer - Hex - Swage
Item # 1546-A-2-S-0, Spacer - Hex - Swage
Item # 1546-A-2-SS-0, Spacer - Hex - Swage