Comparison : Item # 01-01-30, 01 Series: .138 Board Hole x .138 Chassis Hole
Item # 01-01-40, 01 Series: .138 Board Hole x .138 Chassis Hole
Item # 01-01-50, 01 Series: .138 Board Hole x .138 Chassis Hole
Item # 01-01-60, 01 Series: .138 Board Hole x .138 Chassis Hole
Item # 01-01-70, 01 Series: .138 Board Hole x .138 Chassis Hole