Comparison : Item # 01-68-40, 68 Series: .187 Chassis Hole
Item # 01-68-50, 68 Series: .187 Chassis Hole
Item # 01-68-60, 68 Series: .187 Chassis Hole
Item # 01-68-70, 68 Series: .187 Chassis Hole
Item # 01-68-80, 68 Series: .187 Chassis Hole